TL;DR: Post-exercise limping in dogs can range from minor strains to serious ligament tears; seek immediate veterinary care if your dog cannot put weight on the limb or shows signs of intense pain.
What causes my dog to limp after exercise?
Seeing your dog limp after a vigorous session at the park can be worrying. This condition, often referred to as acute lameness, is typically caused by soft tissue injuries like strains or sprains, paw pad trauma, or more significant issues such as a cranial cruciate ligament (CCL) tear. High-energy environments often lead to dogs pushing past their physical limits, resulting in minor inflammation or sudden orthopedic injury.
Is my dog's post-exercise limp a veterinary emergency?
The urgency level for a post-exercise limp is generally Medium. While many minor strains improve with rest, you should contact a veterinarian immediately if your dog exhibits any of the following:
- The dog is completely non-weight-bearing.
- There are signs of extreme pain, such as vocalizing.
- There is visible swelling or a limb deformity.
- The limp is mild but does not improve after 12-24 hours of monitoring.
Why should I provide a photo or video when my dog is limping?
When communicating with a veterinary professional, providing visual evidence is invaluable for accurate triage:
- Photos: A clear photo of the underside of the paw can help identify small cuts, thorns, or broken nails that might be causing the limp.
- Videos: A short video of your dog walking helps the vet analyze their gait, identifying exactly which joint is stiff or painful.
- Assessment: This visual evidence allows for a much more accurate initial assessment and helps determine if an in-person emergency visit is necessary.
Clinical Context (Merck Veterinary Manual)
Following running in the park, a dog presenting with lameness should be assessed by observing their gait for a shortened stride on the affected limb, or a head drop during weight bearing. The affected limb should be palpated from distal to proximal, noting any swelling, pain, instability, crepitation, reduced range of motion, or muscle atrophy. Serial examinations before and after exercise may be necessary for subtle lameness. Sedation with butorphanol and acepromazine, propofol, medetomidine (alone or combined with butorphanol or hydromorphone), or a combination of ketamine, diazepam, and acepromazine may be required for fractious animals to facilitate palpation, radiography, and arthrocentesis. Diagnostic imaging, including survey and contrast radiography, ultrasonography, nuclear scintigraphy, CT, and MRI, can be helpful.
Chapter: Orthopedics
Source: The Merck Veterinary Manual, 11th Edition (Page 1199)