A broken bone in a dog needs one of three things: rest and confinement, external coaptation (splint or cast), or surgical repair. The decision depends on the bone affected, the fracture pattern, the dog's size and age, and the available equipment.

Getting this decision right the first time matters. Fusion Veterinary Orthopedics: "Attempting to use a splint or cast for several weeks with the hope of the fracture healing and doing surgery later is not advised. Chronic non-healing fractures are far more difficult to realign, are more costly, and have a lower likelihood of healing."

Quick answer: External coaptation suits minimally displaced fractures below the elbow or stifle in large adult dogs. Comminuted, articular, open, and upper-limb fractures require surgery. Small and toy breed distal radius fractures almost always need surgical repair.

Key takeaways

• Splints only work for fractures below the elbow or stifle: humeral and femoral fractures cannot be adequately immobilized externally
• Comminuted and articular fractures always require surgery: they are too unstable for external coaptation to maintain alignment
• Open fractures require emergency treatment within 8 hours: irrigation, debridement, and temporary stabilization precede definitive fixation
• 83% of distal radius/ulna fractures in small and toy breeds managed with external coaptation result in malalignment or nonunion
• Growth plate fractures should be surgically repaired within 24 to 48 hours of injury to minimize long-term joint damage
• Consult a board-certified surgeon for complex fractures including spinal, articular, and small-breed distal radial/ulnar

The three management options

1. Cage rest alone: reserved for very young dogs (puppies) with minimally displaced, inherently stable fractures for example, some rib fractures and stable pelvic fractures where the dog's own muscle mass provides sufficient immobilization.

2. External coaptation (splint or cast): for fractures below the elbow or stifle, minimally displaced, in stable large-breed adult dogs. Today's Veterinary Practice: "Ideal fractures for primary fixation using external coaptation include incomplete diaphyseal tibial fractures in young dogs, sometimes referred to as 'greenstick fractures.'"

3. Surgical repair: for the majority of fractures in adult dogs, all fractures in small and toy breeds, all comminuted and articular fractures, all open fractures, and all fractures above the elbow or stifle.

When external coaptation is appropriate

External coaptation requires that the joints above and below the fracture can both be immobilized. This is only achievable for fractures distal to (below) the elbow and stifle.

Clinical Brief: "External coaptation may be successful in fractures below the elbow or stifle, where the joints above and below the fracture can be fully immobilized."

Fractures that may be managed with splinting:

• Greenstick (incomplete) tibial fractures in young large-breed dogs
• Minimally displaced distal radius fractures in large-breed adult dogs
• Some metacarpal and metatarsal fractures
• Toe fractures

How splints are applied: Today's Veterinary Practice: "The splint should span the joint above and below the fracture, and be padded enough to prevent pressure sores and prevent movement of the limb." After placement, a radiograph confirms alignment.

Complications of splinting: ACVS: "Bandages and splints can cause very serious complications. They can be an effective treatment tool for fracture healing and pain control, but careful monitoring and appropriate follow-up must occur." Pressure sores, bandage slippage, and limb swelling are the most common complications; daily monitoring is essential.

When surgical repair is required

Fractures above the elbow or stifle

Animal Medical Center: "It is easy to temporarily immobilize bones below the elbow and knee, while the upper arm and thigh are more challenging to manage because the shoulder and hip are difficult to splint."

Today's Veterinary Practice: "Temporary stabilization of humeral and femoral fractures should not be attempted. In these cases, hospitalization with confinement to a crate along with analgesic relief is ideal while awaiting definitive fixation."

SustainableVet: "Trying to splint these upper limb fractures often leads to pain, delayed healing, and poor limb function. Immediate referral for surgical repair is recommended."

Comminuted fractures

A comminuted fracture means the bone is broken into multiple pieces. These are mechanically unstable fragments shift with any weight bearing. SustainableVet: "These are very unstable and cannot be held in place by a splint alone. The pieces move easily, and the risk of poor healing is high. In these cases, surgical fixation is needed to realign and stabilize the fragments."

Articular fractures (fractures entering a joint)

Any fracture that enters a joint surface requires anatomical reduction the fracture fragments must be restored to near-perfect anatomical position and rigid fixation to prevent joint surface step-off and subsequent arthritis. Fusion Veterinary Orthopedics: "Any growth plate fracture or joint fracture should be treated as quickly as possible within about 24 to 48 hours after injury."

Open (compound) fractures

Animal Medical Center: "Open fractures often require an initial surgery to clean the wound and bone within 8 hours of the injury." The management sequence is:

1. Immediate wound irrigation and debridement under anesthesia
2. Temporary stabilization (bandage)
3. Systemic antibiotics
4. Definitive fracture repair after soft tissue stabilization

Do not attempt definitive fixation of a contaminated open fracture at the initial presentation; this dramatically increases infection risk.

Small and toy breed radius and ulna fractures

Today's Veterinary Practice: "In small and toy breed dogs, 83% of distal radius and ulna fractures addressed with external coaptation alone result in malalignment or nonunion. Therefore, internal fixation is recommended for these fractures in small and toy breed dogs."

SustainableVet: "Toy breeds like Chihuahuas, Pomeranians, and Yorkies are at high risk of nonunion. Their small bones have less blood supply, which slows healing. Even simple fractures may not heal with splints alone."

Spinal fractures and luxations

Spinal fractures with cord involvement are neurosurgical emergencies requiring immediate specialist referral for stabilization and decompression. Clinical Brief: "For complex fractures including spinal, consider consultation with a boarded veterinary surgeon or referral to a specialty practice."

Surgical options for fracture repair

Vets4Pets provides a useful overview: "Two types of surgical fracture repair are normally used in pets. Internal fixation involves placing surgical screws, pins, or metal plates under the skin around the fracture site to stabilize the bone. External fixation involves attaching surgical scaffolding to the bone through small holes in the skin."

Specific implant systems used:

• Intramedullary (IM) pins: inserted down the bone canal; suitable for some long-bone fractures
• Bone plates and screws: the most common implant system; provides rigid fixation; locking plate systems are particularly stable
• External skeletal fixators (ESF): transcutaneous pins connected by an external frame; useful for open fractures, infected fractures, and certain metaphyseal fractures
• Interlocking nails: for femoral and tibial shaft fractures

Timing matters

Animal Medical Center: "You should treat a closed fracture within 2 to 4 days. Timely veterinary fracture repair can prevent complications like bone misalignment or long-term mobility issues."

Fusion Veterinary Orthopedics: "Chronic non-healing fractures are far more difficult to realign, are more costly, and have a lower likelihood of healing."

Delaying evaluation hoping the dog will be "better tomorrow" consistently leads to worse outcomes. Fractures should be radiographed and assessed by a veterinarian on the day they are suspected.

For recovery care after fracture surgery, see orthopedic surgery home care guide. For the referral decision framework across orthopedic conditions, see when to refer orthopedic cases. For the full specialist referral process, see what is veterinary referral surgery.

Frequently asked questions

My dog is walking on the leg a little. Does that mean it is not broken?

No. Weight bearing on a fractured limb is common many dogs do not display obvious non-weight-bearing lameness with incomplete or minimally displaced fractures. Any dog with pain, swelling, or abnormal limb conformation after trauma needs radiographs.

How do I transport a dog with a suspected broken leg to the vet?

Keep the dog calm and restrict movement. Do not splint at home; improper application can worsen the fracture. Carry small dogs; use a rigid surface for large dogs. Call ahead so the clinic can prepare.

Will my dog's fracture heal faster with rest than surgery?

For fractures that require surgery, no. Fusion Veterinary Orthopedics: "Surgery ensures optimal alignment and stabilization for less pain and faster healing." Splinting a fracture that needs surgery delays appropriate treatment and often results in malunion or nonunion.

What is a growth plate fracture and why is it urgent?

Growth plates are bone formation zones at long bone ends in immature dogs. Fractures disrupt blood supply to growth cells. Fusion Veterinary Orthopedics: "Growth plate fractures should be treated within 24 to 48 hours." Delay risks permanent deformity.

Can a dog live with an untreated fracture?

Some dogs survive without repair, particularly with stable pelvic fractures. However, untreated fractures often result in malunion, nonunion, chronic pain, and permanent functional loss. Any decision against surgery should be fully informed.

How often does a splint need to be checked when my dog is wearing one?

ACVS: splints require careful monitoring and appropriate follow-up. Checks every 3 to 5 days are standard initially. Watch for swelling above or below the splint, foul odor, cold or pale toes, or the dog chewing the bandage.

Resources

• SustainableVet. Fracture Management in Dogs: When to Splint or Refer? sustainablevet.org
• Today's Veterinary Practice. Definitive Treatment of Limb Fractures With Splints or Casts. todaysveterinarypractice.com
• ACVS. Fractured Limbs. acvs.org
• Clinical Brief. Fracture Management. cliniciansbrief.com
• Fusion Veterinary Orthopedics. Minimally Invasive or Open Fracture Repair. fusionvetortho.com

Surgical antimicrobial prophylaxis (SAP) is the use of antibiotics before or during surgery to reduce the risk of surgical site infection. It is not treatment there is no infection to treat.

The goal is to achieve adequate drug concentrations in the tissues at the time bacteria first enter the wound.

Done correctly, SAP is an evidence-based infection control tool. Done incorrectly (wrong timing, wrong drug, wrong duration), it provides no benefit and contributes to resistance.

Quick answer: Cefazolin 22 to 25 mg/kg IV is the first-choice SAP drug, given 30 minutes before incision and redosed every 2 hours. Stop within 24 hours for clean cases. Many clean procedures in healthy patients do not need SAP.

Key takeaways

• Cefazolin 22 to 25 mg/kg IV is the first-choice prophylactic drug for most clean and clean-contaminated procedures
• Give within 30 minutes before the first incision: ENOVAT 2025 specifies 30 to 60 minutes pre-incision
• Repeat every 2 hours intraoperatively: cefazolin has a short half-life and long procedures require redosing
• Stop within 24 hours: extending prophylaxis in clean cases provides no SSI benefit and selects for resistant organisms
• Many clean procedures under 90 minutes in healthy patients do not require SAP: widespread overuse is documented in veterinary surgery
• Fluoroquinolones and aminoglycosides should not be used for SAP: their resistance classification makes routine prophylactic use inappropriate

What SAP is and is not

SustainableVet: "SAP is not used to treat existing infections but to prevent new ones from developing. Using SAP properly reduces complications, speeds up healing, and improves surgical outcomes."

The fundamental concept: ENOVAT 2025: "The basic concept of SAP is that therapeutic levels should be present at the surgical site during the period of highest infection risk.

This starts at the time of the first incision and ends at an ill-defined point after final closure."

Worms and Germs Blog: "It's widely accepted that there is tremendous overuse of antimicrobials in this context in both human and veterinary medicine.

In a large percentage of cases, use of antimicrobials is actually unnecessary and is based more on habit or fear versus actually helping the patient."

When SAP is indicated

The decision is based on wound classification and patient risk factors:

WSAVA SAP Guidelines: "Are prophylactic antibiotics indicated for this surgery?" is the first step. Not all procedures require SAP.

Worms and Germs Blog: "Antimicrobial prophylaxis is indicated in some surgical patients to reduce the risk of SSI, but in a large percentage of cases use is actually unnecessary."

Acta Veterinaria Scandinavica (Helsinki study): "Even complete omission of antimicrobials was not associated with increased risk for SSI" in clean orthopedic and neurosurgeries in low-risk patients.

Drug selection

First-line: cefazolin

ENOVAT 2025: "Cefazolin, a first-generation cephalosporin, is the most widely recommended drug for SAP in human medicine and is a recommended option in dogs and cats where it is available."

SustainableVet: "The best antibiotics for prophylaxis target common skin and wound bacteria like Staphylococcus species. Amoxicillin-clavulanate and first-generation cephalosporins (e.g., cefazolin) are commonly used."

Why cefazolin:

• Excellent gram-positive coverage (Staphylococcus, Streptococcus) the dominant SSI pathogens
• Adequate gram-negative coverage
• Long enough half-life for practical intraoperative redosing intervals (every 2 hours)
• Extensive safety and pharmacokinetic data in dogs and cats
• Low cost, widely available

NCBi pharmacokinetic study: cefazolin at 25 mg/kg IV was effective against pathogens with MIC 2 mg/L or less across a wide range of canine patient populations.

Dose: 22 to 25 mg/kg IV (WSAVA, ENOVAT).

Alternatives when cefazolin is unavailable

ENOVAT 2025: "Ampicillin may be an effective option in regions where beta-lactamase producing staphylococci are uncommon. Other potential options include cefuroxime (second generation cephalosporin) and parenteral amoxicillin/clavulanic acid."

ENOVAT 2025: "Cefuroxime failed uniformly while ampicillin or amoxicillin may be effective, but only if readministered every 1.5 hours."

What not to use

ENOVAT 2025: "Concentration-dependent antimicrobials (fluoroquinolones or aminoglycosides) would not require redosing but should not be administered routinely for SAP considering their higher/more critical EMA classifications."

Fluoroquinolones (enrofloxacin, marbofloxacin) and aminoglycosides are reserve antibiotics for treatment of resistant infections. Using them for routine prophylaxis depletes their efficacy for the cases where they are genuinely needed.

Timing

Pre-incision administration

ENOVAT 2025: "To achieve therapeutic levels by the start of the procedure, the drug should be administered intravenously 30 to 60 minutes prior to the anticipated time of first incision."

Acta Veterinaria Scandinavica: "The antimicrobial was given intravenously 30 to 60 minutes before the estimated time of incision."

SustainableVet: "Antibiotics should be given 30 to 60 minutes before the surgical incision. This timing ensures effective tissue drug levels when bacteria may enter the wound."

University of Melbourne Companion Animal Guidelines: "Intravenous antimicrobials: administer 30 to 60 minutes prior to surgery."

The critical point: if the antibiotic is given after the incision, tissue concentrations are not achieved during the highest-risk period. Post-incision administration provides no meaningful SSI prophylaxis.

Intraoperative redosing

ENOVAT 2025: "Intraoperative dosing is necessary to maintain therapeutic levels for longer procedures or where there was a delay from antimicrobial administration to the start of the procedure.

Intraoperative dosing of any time-dependent antimicrobial such as beta-lactams should be considered every two half-lives of the drug."

WSAVA: cefazolin redosing interval: "2 hours or earlier (22 mg/kg) or 3 hours (25 mg/kg)."

For a TPLO lasting 3 hours, an initial pre-incision dose and one or two intraoperative redoses are typically required.

Duration

Stop within 24 hours for clean procedures

SustainableVet: "Clear guidelines suggest giving antibiotics within 60 minutes before the first incision and stopping them within 24 hours unless there are signs of infection."

NCBi (TPLO antibiotic comparison study): "Results showed no difference in SSI rates" between perioperative-only and extended postoperative antibiotic groups for clean TPLO cases.

"Eliminating postoperative antibiotic medication in a clean orthopedic procedure helps to reduce antibiotic resistance."

Extending prophylaxis beyond 24 hours in clean procedures selects for resistant organisms, does not reduce SSI rates, and increases costs.

Antimicrobial stewardship

Worms and Germs Blog: "Clinical guidelines are an advancement in care, and the field of antimicrobial guideline development has progressed significantly in recent years.

We've moved from primarily expert-opinion-based guidelines to evidence-based, structured guideline development."

SustainableVet: "Veterinary teams are encouraged to take proactive steps toward antimicrobial stewardship. This includes educating staff, using culture and sensitivity testing, and regularly reviewing protocols."

Stewardship checklist for SAP:

• Is SAP indicated for this wound class and patient?
• Is cefazolin available? If not, what is the evidence-based alternative?
• Has the drug been given within 30 to 60 minutes of incision?
• Has intraoperative redosing been planned for procedures over 2 hours?
• Is there a clear plan to stop antibiotics within 24 hours if no infection evidence?
• Will culture and sensitivity be obtained if infection develops, rather than empiric escalation?

For the SSI prevention context in which SAP operates, see how to prevent surgical site infections in dogs. For the antibiotic treatment guide when infection develops, see antibiotics for surgery wound infection.

For the scrub and aseptic technique guide, see veterinary surgical hand scrub protocol.

Frequently asked questions

My dog is having a routine spay or neuter. Does it need antibiotics?

Not necessarily. Clean, short procedures in healthy young patients are a lower-risk category. Many experienced surgeons perform routine spays and neuters without prophylactic antibiotics and achieve excellent outcomes.

Discuss with your vet whether SAP is indicated for your specific patient.

Why is cefazolin given by injection rather than as a pill?

For SAP, achieving tissue concentrations before incision requires IV administration to deliver the drug rapidly into circulation and tissues.

Oral antibiotics are absorbed more slowly and variably and cannot reliably achieve adequate tissue concentrations at the correct time.

Can the same antibiotic used for prophylaxis be used to treat infection if one develops?

Yes in principle, but culture and sensitivity should guide selection. The prophylactic agent may not cover the infecting organism; appropriate treatment requires culture results.

Why not use a broad-spectrum antibiotic like enrofloxacin for prophylaxis to cover more organisms?

ENOVAT 2025 advises against fluoroquinolones for routine SAP. Their resistance classification makes prophylactic use disproportionate; using them for prophylaxis depletes their effectiveness for resistant infections where they are needed.

My dog had a 4-hour TPLO. Should antibiotics continue for a week after?

No. Studies consistently show no SSI benefit from extending prophylaxis beyond 24 hours in clean orthopedic procedures. Intraoperative redosing maintains concentrations during the procedure. Postoperative continuation only adds resistance pressure.

What if cefazolin is not available at my clinic?

ENOVAT 2025 recommends parenteral amoxicillin/clavulanic acid or cefuroxime. Note cefuroxime failed uniformly in pharmacokinetic modeling for standard intervals. Amoxicillin/clavulanic acid requires redosing every 1.5 hours. Discuss available options with your distributor.

Resources

• ENOVAT. 2025 Guidelines for Surgical Antimicrobial Prophylaxis in Dogs and Cats. onlinelibrary.wiley.com
• WSAVA. Surgical Antimicrobial Prophylaxis in Dogs. wsava.org
• Acta Veterinaria Scandinavica. Antimicrobial Prophylaxis in Clean Orthopaedic and Neurosurgeries in Dogs. springer.com
• Worms and Germs Blog. Surgical Antimicrobial Prophylaxis Guidelines in Dogs and Cats. wormsandgermsblog.com
• University of Melbourne. Companion Animal Surgical Guidelines. science.unimelb.edu.au

The surgeon closes the incision and hands the patient back. From that point, the referring vet carries the case.

Post-surgical care is not passive.

It requires active communication with the surgical team, structured recheck examinations, prompt complication recognition, and consistent owner support throughout a recovery that may last months.

Quick answer: Post-surgical follow-up for referred orthopedic patients includes reading the discharge summary before the first recheck, establishing a recheck schedule (suture removal at day 10 to 14, radiographs at week 6 to 8), recognizing complications early, and reinforcing owner compliance at every visit.

Key takeaways

• Read the discharge summary before the first recheck: skimming leads to medication errors, missed complications, and inconsistent owner instructions
• Standard orthopedic recheck schedule: suture removal at day 10 to 14; radiographs at week 6 to 8; final check at week 12 to 16
• Contact the surgical team for: implant complications, deep infection not resolving in 72 hours, wound dehiscence, or worsening lameness
• Owner compliance is the most modifiable variable: reinforce activity restrictions, E-collar use, and complication signs at every contact
• Refer back for: deep infection, implant-related concerns, wound dehiscence, or persistent non-weight-bearing beyond expected timepoints
• Document each visit clearly: both the referring vet and the surgical team need an accurate record to track patient progress

Reading the discharge summary

The role of a referring veterinarian does not end when the surgery is done. After the specialist performs the procedure, the referring veterinarian often monitors the patient's healing, manages medications, and supports the client with follow-up care. Without clear updates and guidance, this handoff can lead to confusion, missed issues, or delayed treatment.

The discharge summary is the primary communication from the surgical team.

It contains the diagnosis, the specific procedure performed, implant details, the prescribed medication list, the recheck schedule, and the complications to monitor.

Even when the specialist provides detailed discharge instructions, referring veterinarians often need to reinforce or adjust them during follow-up visits. Clients may forget or misunderstand what they were told at the surgical centre, especially if they were stressed or overwhelmed on discharge day.

What to extract from every discharge summary:

• Full medication list (drug, dose, frequency, duration)
• Recheck schedule and what assessment is required at each visit
• Specific complications the surgeon flagged for this case
• Activity restriction level and when it can be modified
• Criteria for contacting the surgical team directly

If anything is unclear, contact the specialist before the first recheck not after.

Recheck schedule

Soft tissue cases

• Day 10 to 14: incision assessment, suture removal, medication review
• Further rechecks: based on clinical signs and case complexity

Orthopedic cases

• Day 10 to 14: incision assessment, suture removal, gait assessment
• Week 6 to 8: radiographs to confirm bone healing and implant position
• Week 12 to 16: final assessment in complex cases; progressive activity increase if healing confirmed

If pain medications are still needed after a few weeks, it is best to follow up with your referring veterinarian.

Consistent scheduling helps track progress and catch complications early. Document each visit so both you and the specialist can follow the case.

What to assess at each recheck

At every visit:

• Incision appearance: closure status, discharge type and volume, redness, swelling
• Weight-bearing status on the affected limb
• Pain assessment using a standardized scale
• Muscle mass: compare bilaterally
• E-collar compliance
• Medication compliance and any adverse effects reported by the owner

At orthopedic rechecks:

• Joint stability (where applicable)
• Range of motion of the operated joint
• Radiographs at intervals specified in the discharge summary

Recognizing and triaging complications

Surgical site infection (SSI)

Signs: redness extending beyond the incision margins after day 3, purulent discharge, local heat, wound odor, systemic signs (fever, lethargy).

Management: culture and sensitivity before starting antibiotics. Surface infections can be managed locally. Deep infections, infections near implants, and infections not improving in 48 to 72 hours require surgical team contact.

Seroma

Soft, fluctuant non-painful swelling beneath the incision. Common after soft tissue and orthopedic surgery. Small seromas often resolve with strict rest. Larger seromas may need drainage under guidance from the surgical team.

Wound dehiscence

Partial or complete opening of the incision. Requires same-day assessment. Full dehiscence with tissue exposure is an emergency. Contact the surgical team before attempting local re-closure of complex wounds.

Persistent or worsening lameness

In orthopedic cases, persistent non-weight-bearing or worsening lameness beyond the expected timeline warrants radiographs and surgical team contact. Implant loosening, infection, or fracture propagation must be ruled out before managing locally.

Communicating with the surgical team

Smooth communication between the surgical team and the referring vet is crucial.

Contact the surgical team for:

• Any implant-related concern identified on radiograph
• Deep SSI not resolving with antibiotics in 48 to 72 hours
• Wound dehiscence of a complex closure
• Lameness or pain worsening rather than improving at expected timepoints
• Uncertainty about whether a finding requires re-referral

The GP's office should contact the orthopedic surgeon to get the discharge instructions, which include pin care and a schedule for pin removal. Call the specialty hospital on the day of surgery to get a briefing on the outcome and expected aftercare.

A proactive call immediately after surgery, confirming surgical findings and aftercare requirements, prevents the most common breakdown: managing a complication beyond scope while the problem worsens.

Supporting owners through recovery

Focus on key points like medication schedules, activity restrictions, wound care, and signs that need urgent attention. Avoid medical jargon clients appreciate straightforward, step-by-step guidance. You can provide these as printed handouts or digital summaries sent by email or text.

Follow-up communication needs to happen the day after the patient is discharged. Make sure you have updated contact information and the desired contact method. Encourage clients to call if they have any concerns once the pet is home.

Owner compliance particularly with activity restriction and E-collar use is the most controllable variable in post-surgical outcome. Non-compliance is the most common cause of wound complications and implant failure.

Reinforce it at every visit, not just at the first one.

For the complications guide covering specific scenarios and when to re-refer, see post-op home care for pets after orthopedic surgery.

For the communication framework between GP and specialist, see how to optimize communication between general practitioners and orthopedic surgeons.

Frequently asked questions

When should I contact the surgical team vs. manage locally?

Manage locally: minor incision redness not progressing, small seromas under active rest restrictions, mild expected lameness on the expected timeline.

Contact the surgical team: any implant concern, deep infection, wound dehiscence of a complex closure, worsening rather than improving lameness, or any complication you are unsure how to manage.

What imaging is needed at the 6-week orthopedic recheck?

Radiographs of the operated region in the same views as the post-operative images from the discharge summary. Compare implant position, bone healing, and periimplant margins.

If the surgeon provided post-operative radiographs in the discharge summary, use these as the baseline for comparison.

My client says the dog is doing great but the incision looks concerning. Who is right?

Trust the physical examination over owner assessment. Owners naturally minimise signs when they want their pet to be well.

Document your findings, photograph the incision, and manage based on clinical evidence rather than owner report.

How do I handle the case if I cannot reach the surgical team?

Document the attempt and the clinical finding. For non-emergency complications, continue conservative local management while attempting to reach the team.

For emergencies (wound dehiscence with tissue exposure, signs of systemic sepsis), act appropriately and continue attempting specialist contact. Never delay emergency care while awaiting specialist guidance.

How long does the referring vet typically follow the case?

For straightforward soft tissue cases, typically until the 10 to 14 day recheck and discharge.

For orthopedic cases, the referring vet typically follows the patient through the 6 to 8 week radiographic recheck and the 12 to 16 week final assessment.

This represents a total follow-up period of 3 to 4 months.

Resources

• SustainableVet. Post-Surgical Follow-Up Guide for Referring Vets. sustainablevet.org
• Advanced Veterinary Care. Orthopedic Surgery Post-Operative Instructions. advancedvetcarenm.com
• Today's Veterinary Business. From Preop Through Postop. todaysveterinarybusiness.com
• ACVS. Postoperative Care After Surgery: What Animal Owners Should Expect. acvs.org

Why Nutrition Matters in Orthopedic Recovery

Nutrition plays a key role in how well a dog recovers after orthopedic surgery or injury. Bones, joints, muscles, and soft tissues all need the right nutrients to heal properly. Without enough protein, vitamins, and minerals, healing slows down and the risk of complications goes up.

Inflammation is common after surgery. Some foods can help reduce it naturally, like those rich in omega-3 fatty acids. At the same time, proper nutrition supports tissue repair, keeps muscles strong, and helps rebuild cartilage around joints.

Supplements can help, but they don’t replace a balanced diet. For example, giving glucosamine is useful, but it won’t work if the dog is eating low-quality food that lacks protein or key vitamins. Recovery works best when supplements are part of a complete nutrition plan, not the only solution.

Start with the Basics: Weight and Diet First

Importance of Weight Management

Keeping a healthy weight is one of the most important parts of orthopedic care. Extra weight puts more stress on joints, especially the knees, hips, and spine. For dogs recovering from surgery, even a few extra pounds can slow healing and increase pain.

Obesity is strongly linked to many joint problems, including arthritis, cruciate ligament injuries, and hip dysplasia. The more weight a dog carries, the harder the joints must work, leading to faster wear and tear. In overweight dogs, surgeries like TPLO or joint replacement often have slower and more difficult recoveries.

Helping a dog reach or stay at a healthy weight reduces this stress and improves mobility. It also lowers inflammation, which supports healing. Even small weight loss—just 5–10% of body weight—can make a big difference in how a dog moves and feels after orthopedic treatment.

Key Nutrients in an Orthopedic Diet

A strong orthopedic recovery starts with a diet that supports healing tissues. Protein is the most important building block—it helps repair muscles, tendons, and bones. Dogs healing from surgery need more protein than usual, especially during the first few weeks post-op.

Calcium and phosphorus are key for bone strength. They must be given in the right ratio, especially in growing dogs, to avoid bone problems. Vitamins like C and D support collagen repair and calcium absorption. Omega-3 fatty acids from fish oil can reduce inflammation in joints and help with pain.

But more isn’t always better. Over-supplementing can throw off balance. For example, too much calcium can lead to bone disorders. It’s best to provide these nutrients through a balanced, high-quality orthopedic or joint-support formula unless your vet recommends extra supplements. Good food is the foundation; supplements should fill gaps, not replace meals.

Supplements That Work: Backed by Veterinary Use

When used with the right diet and weight control, certain supplements can support healing and reduce joint pain. Here are some of the most commonly used and well-researched options in veterinary orthopedic care.

1. Omega-3 Fatty Acids (Fish Oil)

Omega-3 fatty acids, especially EPA and DHA from fish oil, are powerful anti-inflammatory agents. They help reduce joint swelling and improve mobility in dogs with arthritis or post-surgery stiffness. Studies show they can lower the need for pain medications over time.

Common sources include salmon oil, sardine oil, and anchovy oil. Veterinary-grade products are more purified and properly dosed compared to grocery store options. The usual dose is based on body weight, and your vet can guide you to avoid over-supplementation. Fish oil is often the first supplement added to a recovery plan because of its safety, long-term benefits, and ability to work well with other treatments.

2. Green-Lipped Mussel (GLM)

Green-lipped mussel is a natural anti-inflammatory that comes from shellfish native to New Zealand. It contains omega-3s, amino acids, and antioxidants that work together to ease joint pain and stiffness, especially in dogs with osteoarthritis.

GLM is often found in vet-recommended joint products and is considered safe for long-term use. Research shows it can improve comfort and mobility in both older dogs and those recovering from orthopedic surgery.

Unlike synthetic drugs, GLM has fewer side effects and provides a gentle way to support joint health. It's not a cure, but when used consistently, it may lower the need for pain meds and improve quality of life over time.

3. Glucosamine and Chondroitin

Glucosamine and chondroitin are among the most widely studied supplements for joint care in dogs. They support cartilage health, reduce inflammation, and may slow the breakdown of joint tissues. Many vets include them in post-op recovery plans or for long-term management of arthritis.

However, results vary. Some dogs show clear improvement in stiffness and mobility, while others don’t respond as well. The biggest benefits are seen with consistent use over at least 6–8 weeks.

These compounds work best in early to moderate joint disease, not as much in advanced cases. While not a magic fix, they’re still a go-to part of many joint support protocols because of their long safety history.

4. MSM (Methylsulfonylmethane)

MSM is a sulfur-based compound found in plants and animals. In orthopedic patients, it's used for its anti-inflammatory and pain-relieving effects. MSM helps reduce joint swelling and may ease muscle soreness, which is useful after surgery or injury.

This supplement is often paired with glucosamine and chondroitin for added support. It also plays a role in building healthy collagen and connective tissue, which are key during the healing phase. MSM is generally well-tolerated and safe for long-term use.

While more research is still needed, many veterinarians recommend it as part of a combined joint supplement, especially when managing pain without heavy use of NSAIDs.

5. UC-II (Undenatured Collagen Type II)

UC-II is a unique form of collagen that works differently from other joint supplements. It targets the immune system and helps reduce the inflammation that causes cartilage breakdown. Instead of adding building blocks like glucosamine, UC-II trains the immune system to stop attacking joint tissues.

This can be especially helpful in dogs with immune-driven joint problems or chronic arthritis. Some studies suggest it may work better than glucosamine in certain cases, especially for dogs who haven’t responded well to standard supplements.

UC-II is usually taken in small doses and is often combined with other anti-inflammatory agents. It's a good option for dogs needing extra immune-based joint care.

6. Avocado/Soybean Unsaponifiables (ASUs)

ASUs are a mix of natural plant extracts made from avocados and soybeans. They work by slowing cartilage breakdown and blocking enzymes that damage joint tissue. Though not as common as other supplements, ASUs have shown promising results in both human and veterinary studies.

They’re often included in high-quality veterinary joint products along with glucosamine or chondroitin. ASUs are best used when the goal is to protect cartilage and delay further joint damage.

They may also reduce pain and improve mobility in long-term joint conditions. While not a first-line supplement, they offer extra support for dogs with ongoing joint stress or after major orthopedic surgery.

Natural Options Gaining Interest

Alongside traditional supplements, some natural compounds are gaining attention for their potential to support joint health. While the research is still developing, these options may offer gentle support when used carefully and under veterinary guidance.

1. Turmeric (Curcumin)

Turmeric contains curcumin, a natural compound known for its anti-inflammatory effects. Some studies and reports suggest it may help with joint pain and stiffness in dogs, especially those with arthritis. However, curcumin has poor absorption in the body unless combined with other ingredients like black pepper extract.

Many pet supplements use enhanced formulas to improve effectiveness. While it’s a promising option, the results are mixed and more research is needed. Still, turmeric can be a helpful addition to a complete joint care plan when properly formulated.

2. Microlactin

Microlactin is a dried milk protein from cows, known for its anti-inflammatory properties. It works by blocking white blood cells that contribute to joint inflammation and tissue damage. While it's newer compared to other joint supplements, early research and some clinical use suggest it may help reduce pain and improve mobility in dogs with chronic joint issues.

It’s often used as a secondary supplement for dogs who don’t fully respond to traditional options. So far, it appears safe and well-tolerated, but long-term studies are still limited.

3. CBD Oil for Joint Pain

CBD oil has gained popularity for managing pain and anxiety in pets, including dogs with joint problems. Some owners report better mobility and reduced stiffness. Early research also supports its potential anti-inflammatory and pain-relieving effects. However, there are concerns around safety, correct dosing, and product quality.

Veterinary-approved CBD products are best, and you should always speak with your vet before starting. While it shows promise, CBD should never replace proven treatments and should only be used as part of a supervised care plan.

4. Vitamins C & E for Joint Health

Vitamins C and E are antioxidants that help protect joints from damage caused by free radicals. They don’t rebuild cartilage or stop inflammation directly, but they support overall tissue health. In orthopedic recovery, these vitamins may help reduce oxidative stress around healing joints.

Most dogs get enough of these nutrients from balanced diets, so extra supplementation is usually not needed unless advised by a vet. When used, they serve more as add-ons rather than core treatments for joint disease or post-surgery care.

What Often Doesn’t Work (or Needs Caution)

Not all joint supplements are effective—or safe—when used without proper guidance. Many products on the market make big claims but offer little real benefit, especially when not chosen carefully.

Here are common mistakes to avoid:

• Generic or low-quality supplements: Many over-the-counter joint products lack proper testing or use low-grade ingredients. They may contain less active compound than listed or have poor absorption, making them ineffective.
• Overuse of single-ingredient products: Giving high doses of one supplement, like calcium or glucosamine, without balancing it with other nutrients can cause more harm than good. It may lead to imbalances or worsen certain conditions.
• Delaying supportive care: Waiting until a dog is in severe pain or has lost mobility can limit how well supplements and nutrition work. Early support gives the best long-term results.

Supplements are most helpful when started early, chosen with care, and combined with a full recovery plan. Always consult your vet before starting anything new—what works for one dog may not suit another.

How to Choose the Right Supplements

Choosing the right joint supplements for orthopedic care isn’t just about picking a popular brand. The quality, dosage, and how the supplement works with your dog’s overall plan all matter.

Here’s what to focus on:

• Vet-recommended or clinically tested brands: Look for supplements that have veterinary backing or are used in clinical studies. These are more likely to be safe, effective, and properly dosed.
• Absorption and dosage form: Some supplements work better in liquid or chew form because they’re easier to absorb. Powder-filled capsules may not break down well, especially in sick or older dogs.
• Purity and quality control: Choose products made by trusted companies that test for contaminants like heavy metals or fillers. Avoid supplements without clear labels or dosage guidelines.
• Part of a full plan: Supplements work best when used alongside proper diet, weight management, and physical therapy. They are not magic cures on their own.

Talk to your vet to make sure the supplement fits your dog’s condition and recovery stage. Personalized support is always better than one-size-fits-all.

When to Start and How to Monitor Progress

Starting nutritional support and supplements early in the recovery process gives the best chance for healing. The goal is to reduce inflammation, protect joints, and support tissue repair before damage becomes severe. In many cases, waiting too long can limit how well these therapies work.

Early intervention helps to:

• Reduce swelling and stiffness after surgery
• Support faster healing of bones and soft tissues
• Delay or prevent long-term joint damage

Once supplements are started, it’s important to track your dog’s progress over several weeks.

Watch for signs of improvement like:

• Better mobility or ease in getting up
• Less limping or stiffness after rest
• Reduced need for pain medication

Keep a simple journal or video log to track changes. If there’s no clear improvement after 6–8 weeks, or if your dog gets worse, it’s time to re-evaluate the plan. Your vet may recommend changing the supplement, adjusting the dose, or focusing more on diet and physical therapy.

Every dog is different—regular check-ins help keep the recovery on track.

Always Work With Your Veterinarian

Supplements and nutrition can play a big role in orthopedic recovery, but they should never be used without your veterinarian’s guidance. Every dog is different. Age, breed, diagnosis, weight, and other health issues all affect which supplements are safe and effective.

Your vet can build a personalized plan that fits your dog’s specific needs. For example, a dog recovering from TPLO surgery may need different support than one with chronic arthritis or hip dysplasia. Vets also help choose the right product, dosage, and timing for each stage of recovery.

Monitoring is just as important. Some supplements can interact with medications or cause mild side effects like stomach upset. Your vet can spot these early and make changes if needed.

Veterinarians also work closely with rehab professionals. Together, they balance nutrition, medication, and physical therapy to support healing. This team approach helps avoid delays, reduces pain, and improves long-term joint health.

In short, the best results come when supplements are used as part of a full veterinary-guided plan—not in place of one. Always keep your vet in the loop.

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FAQs

Do joint supplements really work for dogs with orthopedic issues?

Yes, joint supplements can help reduce inflammation, support cartilage, and improve mobility in dogs with orthopedic conditions. Results vary, but many dogs show benefits with consistent use. They work best when started early and combined with proper diet, weight control, and veterinary care.

Which supplements are best for arthritis in dogs?

The most commonly used supplements for arthritis include glucosamine, chondroitin, fish oil (omega-3s), and green-lipped mussel. UC-II and MSM are also helpful in many cases. Always choose vet-recommended products and use them as part of a complete management plan.

Can I give multiple supplements together for better results?

Yes, many joint formulas combine ingredients like glucosamine, MSM, and fish oil for a more complete effect. However, combining different products on your own may lead to overdosing. Always check with your vet before giving multiple supplements together.

When should I start my pet on joint supplements?

Start supplements at the first sign of joint issues or after orthopedic surgery. Early support can slow down joint damage, ease pain, and help your dog recover faster. Some vets even suggest starting in high-risk breeds before problems begin.

How do I know if a supplement is high quality and safe?

Look for veterinary-approved brands with clear ingredient labels and dosing instructions. Choose products that have undergone purity and safety testing. Avoid supplements without proper certification or those with vague claims. Your vet can recommend trusted options based on your dog’s needs.

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A well-prepared referral saves the specialist time, prevents duplicate testing at the owner's expense, and results in a more productive first consultation.

A poorly prepared referral missing radiographs, incorrect views, or no clinical summary forces the specialist to start from scratch and may delay diagnosis and treatment.

Quick answer: Before orthopedic referral, take minimum two orthogonal radiographic views under sedation, run baseline blood work for any patient likely to need surgery, and write a clear referral summary. CT and MRI are not routinely required before referral; most specialists prefer to perform these in-house to their own protocols.

Key takeaways

• Two orthogonal radiographic views are the minimum for any orthopedic referral: lateral and craniocaudal/mediolateral single views are inadequate
• Sedation improves radiograph quality: precise positioning detects subtle lesions; unsedated films are frequently non-diagnostic
• Send DICOM files, not printed films: digital files allow the specialist to adjust contrast and zoom; printed films are inferior
• CT and MRI are usually performed at the specialist centre: refer before CT/MRI unless the specialist specifically requests pre-referral imaging
• Baseline blood work is essential for any patient expected to need surgical anesthesia: CBC and biochemistry at minimum
• A clear written referral summary with gait findings, lameness duration, and prior treatment adds more value than extra imaging alone

Why pre-referral imaging matters

The most important part of the orthopedic exam and probably the most important part of the workup is attempting to localize the cause of lameness to a single joint or single bone.

Radiographs at the primary care practice serve several purposes: confirming the anatomical location, ruling out differentials, giving the specialist baseline images, and identifying concurrent findings the owner needs to know about.

Poor imaging quality, missing essential baseline tests, and unclear communication with specialists can cause delayed diagnoses and ineffective treatment plans.

Radiography: the essential pre-referral modality

Two orthogonal views minimum

Always take at least two orthogonal views (e.g., lateral and craniocaudal/mediolateral). Use stress or oblique views for joint instability (e.g., CCL rupture, elbow dysplasia). Ensure proper sedation for accurate positioning, especially for pelvic or spinal radiographs.

A single lateral view is not adequate for referral. Fractures, joint mice, and osteophyte patterns require two planes to characterize. Subtle findings visible on one view may be absent on another.

Sedation for positioning: unsedated radiographs in painful patients are often rotated, foreshortened, or underexposed. These films reduce diagnostic value and may force repeat imaging at the specialist centre a cost the owner bears twice. Sedation is appropriate and usually brief for orthopedic positioning.

Specific views by condition

Sending digital files

Send DICOM format where possible. Digital files allow the specialist to adjust window and level settings, zoom into areas of interest, and use measuring tools.

Printed films or JPEG photographs of films are significantly inferior and should be avoided.

When to perform CT before referral

CT is significantly more sensitive than radiography for:

• Medial coronoid process disease (elbow dysplasia)
• Complex periarticular fractures
• Spinal cord compression assessment
• Nasal cavity and dental pathology

Thoracic radiographs provide metastatic and pre-anesthetic screening. No additional radiographs are necessary if the patient will be referred for advanced imaging.

Most specialist centres prefer to perform CT in-house to their own protocols. Referring a patient with CT already done can be counterproductive if the protocol does not meet the specialist's requirements.

Unless the specialist has specifically requested pre-referral CT, radiographs alone are appropriate.

Exception: if CT is readily available at your practice, in good quality, and the specialist has confirmed they will accept your images, pre-referral CT for elbow dysplasia or complex fractures is valuable.

MRI before referral

MRI is superior to CT for soft tissue detail: spinal cord, brain, tendons, and ligaments. It is almost never required before referral.

MRI requires general anesthesia and significant scan time. Specialist centres perform it to their own protocols and prefer to interpret their own studies.

Referring a patient with MRI images from another centre creates interpretation challenges that can slow, not speed, diagnosis.

Laboratory diagnostics

Run basic lab tests (CBC, chemistry, joint fluid analysis if needed) before referring the case.

Pre-referral blood work:

• CBC: detects anaemia, leukocytosis (infection/inflammation), thrombocytopenia
• Biochemistry panel: kidney and liver function essential before any anesthetic
• Relevant for: any patient likely to need surgical anaesthesia at the specialist centre

When joint fluid analysis adds value:

• Suspected immune-mediated polyarthritis
• Joint effusion without clear traumatic or degenerative cause
• Suspected septic arthritis

In chronic orthopedic cases, laboratory diagnostics help differentiate degenerative diseases from immune-mediated or infectious conditions, providing a more complete clinical picture. C-reactive protein levels indicate active inflammation, commonly seen in immune-mediated arthritis. Synovial fluid analysis helps assess infection, immune-mediated polyarthritis, or degenerative joint disease.

The referral summary

A well-written referral letter adds value that no imaging can replace:

Include:

• Signalment and body weight
• Duration and progression of the lameness
• Which limb(s) and which joints on palpation examination
• Gait assessment findings (grade of lameness, pattern)
• Orthopaedic test results (cranial drawer, tibial compression, Ortolani)
• Differential diagnoses considered
• Previous treatments and response
• Reason for referral and what you are asking the specialist to do

Keep it concise. A one-page summary covering the above is far more useful than three pages of unformatted notes.

For the communication framework with the specialist, see how to optimize communication between general practitioners and orthopedic surgeons.

For what happens at the specialist consultation, see what to expect when your patient sees an orthopedic specialist.

For the referral decision criteria, see when to refer for orthopedic surgery: surgical vs non-surgical cases.

Frequently asked questions

Do I need to sedate the dog for pre-referral radiographs?

Yes, for most orthopedic cases. Sedation improves positioning accuracy significantly. Unsedated films in painful patients are frequently rotated or foreshortened and may not provide diagnostic information.

Brief sedation for positioning is appropriate and is standard at most specialist centres for their own imaging.

The specialist centre is far away. Should I try to do a CT first?

Only if the specialist has specifically requested pre-referral CT and you can achieve the required protocol quality. Otherwise, radiographs are sufficient for referral.

CT performed without the specialist's protocol guidance may not meet their imaging requirements and could result in the owner paying for repeat CT at the specialist centre.

What format should I send radiographs in?

DICOM format wherever possible. If DICOM is not available, the highest-resolution uncompressed images you can export.

Avoid photographing films with a mobile phone these are not diagnostically useful and create a poor impression of the case preparation.

Is blood work always required before referral?

Not in an emergency. For elective or semi-urgent referrals where surgical anaesthesia is anticipated, blood work provides essential safety information.

It is best performed at the primary care practice to allow results interpretation by someone who knows the patient's history.

My radiographs show only mild changes. Should I still refer?

Yes, if the clinical signs warrant it. Radiographic severity does not always correlate with clinical severity. A dog with mild radiographic changes but significant lameness affecting quality of life merits specialist assessment.

Conversely, severe radiographic OA in a dog with good function may not need referral urgently.

Resources

• SustainableVet. Essential Imaging and Diagnostics Before Vet Referrals. sustainablevet.org
• MSPCA-Angell. Radiographic Approach to Bone Imaging. mspca.org
• Today's Veterinary Practice. Advanced Imaging: Its Place in General Practice. todaysveterinarypractice.com
• SustainableVet. When to Refer: Surgical vs Non-Surgical Orthopedic Cases. sustainablevet.org

Elbow dysplasia is one of the most common causes of forelimb lameness in large and giant breed dogs.

It is not a single condition it is a group of developmental abnormalities that affect the elbow joint during skeletal growth.

Early diagnosis is important because cartilage damage is irreversible and osteoarthritis begins accumulating from the earliest stages of disease.

Quick answer: Elbow dysplasia encompasses FCP, OCD, UAP, and joint incongruity. It presents as forelimb lameness in large-breed puppies aged 4 to 12 months. Radiographs are first-line; CT is more sensitive for FCP. Refer when lameness persists beyond 2 to 4 weeks of conservative management.

Key takeaways

• Elbow dysplasia encompasses FCP, OCD, UAP, and joint incongruity most dogs have only one component, rarely all three
• Forelimb lameness in a large-breed puppy aged 4 to 12 months should prompt elbow radiographs as first-line imaging
• CT is significantly more sensitive than radiographs for FCP: medial coronoid lesions are frequently missed on plain films
• UAP is diagnosed when the anconeal process has not fused by 20 weeks in large breeds; visible on a flexed lateral radiograph
• Both elbows must always be imaged: bilateral disease is common and can mask the lameness asymmetry
• Arthroscopy provides definitive diagnosis and minimally invasive treatment in a single procedure; it is the gold standard

What is elbow dysplasia?

Canine elbow dysplasia is a condition involving multiple developmental abnormalities of the elbow joint. The elbow is a complex joint made up of 3 bones (radius, ulna, and humerus). If the 3 bones do not fit together perfectly due to growth abnormalities, abnormal weight distribution on areas of the joint occurs, causing pain, lameness, and the development of arthritis.

Elbow dysplasia is a multifactorial developmental condition that involves one or more of the following: ununited anconeal process (UAP), medial coronoid disease (MCD), osteochondrosis or osteochondritis dissecans of the medial humeral condyle, and joint incongruity. Clinical signs include forelimb lameness, joint pain, decreased range of motion, and joint effusion, typically noticed between 4 and 10 months of age.

The three main components

Fragmented medial coronoid process (FCP / MCD)

There are three common developmental problems often referred to as elbow dysplasia: a fragmented medial coronoid process (FMCP), an ununited anconeal process (UAP), and osteochondritis dissecans (OCD). Dogs with elbow dysplasia typically have only one of the three conditions.

FCP develops through abnormal wear and stress and micro-fracture through the coronoid, resulting in fragmentation. The resulting loose fragment causes irritation, inflammation, and osteoarthritis.

MCD is the most common form of elbow dysplasia. Affected breeds include Labrador Retrievers, Golden Retrievers, Bernese Mountain Dogs, and Rottweilers.

Radiographic findings: early MCD is often not visible on plain radiographs. Subtle signs include increased subchondral bone density, mild joint effusion, and early periarticular new bone. CT is required to confirm and characterize the lesion.

Ununited anconeal process (UAP)

UAP is failure of the anconeal process to unite with the proximal ulna during the first 5 months of skeletal maturation. The normal anconeal process should be fused with the ulna by 150 days of age; failure to ossify after this time is termed ununited and leads to joint instability and secondary degenerative joint disease.

UAP is usually readily confirmed on x-rays. A lateral radiograph of the elbow in a fully flexed position enables visualization of the ununited process.

UAP is most common in large breeds with a secondary ossification centre for the anconeal process: German Shepherd Dogs, Saint Bernards, and Basset Hounds.

Osteochondritis dissecans (OCD)

OCD is an abnormality in endochondral ossification resulting in a poor connection between cartilage and the underlying bone. The result of this weak connection is separation and peeling away of cartilage from the bone, leading to lameness, pain, and progressive osteoarthritis.

OCD of the medial humeral condyle can coexist with MCD. Arthroscopy confirms the extent of cartilage involvement and allows concurrent treatment.

Clinical presentation

Affected dogs develop a front limb lameness that typically worsens over a period of weeks to months. Lameness is usually worse after exercise and typically never completely resolves with rest. Often both fore legs are affected, which can make detection of lameness difficult, as the gait is symmetrically abnormal.

Classic presentation:

• Large or giant breed dog, aged 4 to 12 months
• Forelimb lameness, often worse after exercise and after rest
• Elbow pain on palpation and manipulation
• Reduced range of elbow flexion
• Joint effusion (swelling around the elbow)
• Possible external rotation of the affected limb

When both elbows are affected which is common the dog may appear to have a bilaterally stiff, stilted forelimb gait rather than a unilateral limp.

Diagnostic imaging

Radiographs (first-line)

Radiographs should include mediolateral and craniocaudal views. A flexed mediolateral view is essential to assess the anconeal process for UAP.

The primary radiographic finding of ununited anconeal process is a radiolucent line separating the anconeal process from the olecranon in dogs older than 5 months.

Both elbows must always be radiographed. Early MCD may show only subtle changes mild subchondral sclerosis, slight joint effusion or may appear radiographically normal despite significant disease.

CT scan (second-line, often essential)

The most reliable non-surgical test for FCP, OCD, and MCD is a CT scan. Ununited anconeal process is usually readily confirmed on x-rays, but the other conditions cannot always be distinguished on radiographs alone.

Early diagnosis of elbow dysplasia is based on radiographic evidence. Unfortunately, by the time lameness is persistent and not controlled by anti-inflammatory drugs, degenerative joint disease has already been established.

CT should be performed early before significant OA has developed to guide treatment decisions.

Arthroscopy

Arthroscopy provides direct visualization of the joint surfaces and cartilage, confirmation of the specific lesion, and the ability to treat (fragment removal, cartilage debridement) in the same procedure.

It is considered the gold standard for diagnosis and treatment of MCD and OCD.

When to refer

Refer to an orthopedic specialist when:

• Forelimb lameness in a large-breed puppy persists beyond 2 to 4 weeks despite rest and anti-inflammatory treatment
• Radiographs show elbow OA in a young dog without a confirmed diagnosis
• CT or arthroscopy is needed to characterize the lesion
• Surgical treatment is indicated

Early treatment of elbow dysplasia is indicated when radiographs show that the disease process has started and further development of OA may be expected. Early treatment of UAP consists of dynamic ulnar osteotomy to release the pressure on the anconeal process.

At-risk breeds that warrant a low threshold for elbow imaging: Labrador Retriever, Golden Retriever, Bernese Mountain Dog, Rottweiler, German Shepherd Dog, Newfoundland.

For the broader referral decision guide, see when to refer for orthopedic surgery: surgical vs non-surgical cases.

For imaging and diagnostics before referral, see imaging and diagnostics before referral: what's essential and when.

Frequently asked questions

At what age does elbow dysplasia typically show up?

Clinical signs most commonly appear between 4 and 12 months of age. Some dogs present later (12 to 18 months) when lameness becomes significant enough to prompt veterinary attention.

The underlying lesion, however, develops during the rapid bone growth phase in the first few months of life.

Can elbow dysplasia be managed without surgery?

Conservative management (activity modification, weight management, NSAIDs, physiotherapy) can reduce clinical signs but does not address the underlying lesion. OA progression continues regardless.

Surgery particularly arthroscopy for fragment removal is generally recommended for FCP and OCD to give the best chance of slowing arthritis development.

How accurate are radiographs for diagnosing FCP?

Radiographs have relatively poor sensitivity for early FCP many cases appear normal or show only subtle indirect signs. CT is significantly more sensitive.

If radiographs are inconclusive and clinical suspicion is high, CT should be performed rather than assuming the elbow is normal.

Is elbow dysplasia always in both elbows?

Not always, but bilateral disease is common. Both elbows should always be imaged, even if only one is clinically lame.

A dog with bilateral disease will often distribute weight more evenly, making the lameness appear milder or even absent on either side individually.

Can elbow dysplasia be prevented?

There is a strong hereditary component.

Breeding programs that screen for elbow dysplasia using radiographic or CT grading (IEWG grade 0 to 3) and exclude affected dogs from breeding reduce prevalence over time.

Weight management during growth to avoid over-nutrition may also reduce severity of expression in genetically susceptible dogs.

Resources

• ACVS. Canine Elbow Dysplasia. acvs.org
• Merck Veterinary Manual. Elbow Dysplasia in Dogs. merckvetmanual.com
• Davies Veterinary Specialists. Elbow Dysplasia Fact Sheet. vetspecialists.co.uk
• Today's Veterinary Practice. Radiographic Diagnosis of Developmental Orthopedic Disease of the Canine Elbow. todaysveterinarypractice.com
• VCA Animal Hospitals. Fragmented Coronoid Process in Dogs. vcahospitals.com