CATTLE AND SHEEP AND GOATS · OWNER EDUCATION
Foot Rot and Infectious Lameness
Sudden lameness and swelling between the claws can reflect infection, but hoof lesions have several different causes.

THE SHORT VERSION
Understanding supports better veterinary conversations.
Sudden lameness and swelling between the claws can reflect infection, but hoof lesions have several different causes. Similar signs can have very different causes, so the animal's species, husbandry, examination findings and diagnostic results all matter.
What is this condition?
Sudden lameness and swelling between the claws can reflect infection, but hoof lesions have several different causes. Similar signs can have very different causes, so the animal's species, husbandry, examination findings and diagnostic results all matter.
Which animals can be affected?
Risk factors, examination findings and management can differ between species and individual patients.
Why can it happen?
- Bacterial infection through damaged skin between the claws.
- Wet conditions, trauma and herd exposure increase risk.
What might an owner notice?
- Sudden lameness, swelling, heat or foul odor around the foot.
- Reluctance to bear weight, reduced grazing or fever.
How is the problem investigated?
- Cleaning and careful examination of the entire foot.
- Differentiation from abscess, injury, laminitis and other contagious hoof disease.
What might treatment involve?
- Species-appropriate antibiotic and pain management when foot rot is confirmed.
- Dry footing, hoof care and herd-control measures.
This is an overview, not a prescription or a recommendation for a specific individual animal.
What can owners do at home?
- Record appetite, water intake, waste output, activity, breathing and body weight when it is safe to do so.
- Photograph the enclosure, food labels or flock environment and bring a concise timeline to the veterinary visit.
- Follow the veterinarian's exact instructions for medication, feeding, isolation, rechecks and environmental correction.
Avoid actions that could make care less safe.
- Do not give human medication, leftover antibiotics, livestock medication or another animal's treatment without veterinary direction.
- Do not force-feed an animal that is struggling to breathe, cannot swallow, is severely weak or may have an obstruction.
- Do not delay care when appetite, breathing, urination, movement or responsiveness changes rapidly.
What can the longer-term outlook involve?
The outlook varies with the cause, severity, how quickly care begins and whether the animal's environment or nutrition can be corrected.
Can risk be reduced?
- Provide species-appropriate nutrition, housing, sanitation and preventive veterinary care.
- Learn the individual's normal appetite, behavior, body condition and waste pattern so change is recognized early.
When should you arrange care?
- Contact a veterinarian promptly for sudden lameness, swelling, heat or foul odor around the foot. or reluctance to bear weight, reduced grazing or fever..
- Arrange reassessment if signs recur, treatment is not working or another animal becomes affected.
Seek emergency veterinary care if you notice:
SEEK EMERGENCY VETERINARY CARE- Non-weight-bearing lameness, rapidly spreading swelling, fever or multiple animals affected.
Sources behind this guide
VeterinaryPartner — client education from the Veterinary Information NetworkPrimary veterinary or veterinary-university guidance ↗Merck Veterinary Manual: livestock healthPrimary veterinary or veterinary-university guidance ↗Content last reviewed: September 17, 2026. Review status: veterinary-informed; independent veterinarian review not yet completed.