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Why Is My Cat Limping?

CatMonitor
Quick Answer

Cats hide pain extremely well, so a limping cat is usually in significant discomfort. Common causes include soft tissue injury from jumping, bite wound abscess (especially in outdoor cats), arthritis, or a fractured bone. Monitor for 24 hours; see a vet if it doesn't improve.

What You Need to Know

A limping cat is a cat in enough pain to override its instinct to hide weakness. This makes any limp in a cat worth taking seriously — they wouldn't show it unless it's bothering them significantly.

For outdoor cats or indoor/outdoor cats, bite wound abscesses are one of the most common causes. Cat bites introduce bacteria deep under the skin, and within 2-5 days an abscess forms — a pocket of infection that causes pain, swelling, and often limping. You may feel a warm, swollen area on the leg, or the abscess may have already burst (you'll see a draining wound with foul-smelling discharge). Abscesses require veterinary treatment with antibiotics and drainage.

For indoor cats, the most common cause is a soft tissue injury from jumping — cats jump on and off high surfaces constantly, and occasionally they land wrong. Most of these injuries resolve within 48 hours with rest.

Arthritis is very common in older cats (studies suggest over 90% of cats over 12 have some degree of arthritis) but is massively underdiagnosed because cats simply become less active rather than obviously limping. Signs include: reluctance to jump, not jumping as high as before, sleeping more, and difficulty with stairs.

Other causes include fractures from falls or trauma, luxating patella, and bone tumors (rare but possible in older cats).

Common Causes

  1. Soft tissue injury — sprain or strain from jumping or playing
  2. Bite wound abscess — extremely common in outdoor cats
  3. Arthritis — very common in cats over 10, often underdiagnosed
  4. Fracture — from falls, car accidents, or being stepped on
  5. Luxating patella — kneecap slipping out of position
  6. Ingrown claw — overgrown nail curling into the paw pad
  7. Foreign body — splinter, glass, or thorn in the paw
  8. Saddle thrombus — blood clot blocking blood flow to hind legs (emergency)

Breed Variations

Maine Coons and other large breeds may develop hip dysplasia (uncommon in most cats). Scottish Folds have a genetic cartilage condition (osteochondrodysplasia) that causes arthritis, especially if bred fold-to-fold. Bengal cats may be more prone to luxating patellas. Any breed can develop arthritis with age.

When to Worry

See a vet urgently if the leg is dangling or at an unusual angle (fracture), if there is sudden inability to use the back legs (saddle thrombus — emergency), if there is a swollen, hot area that may be an abscess, if the limping doesn't improve within 48 hours, if your cat is not eating or is hiding along with limping, or if there is an open wound.

When NOT to Worry

If your indoor cat has a mild limp that came on after playing or jumping, they're still eating and using the litter box, and the limp is improving over 24-48 hours, it's likely a minor soft tissue injury. Gentle rest usually resolves it.

Home Care Tips

Restrict activity — keep your cat indoors, discourage jumping (remove access to high surfaces temporarily), provide food, water, and litter box on the same level. Check the paw pads for injuries and check between the toes for foreign bodies. Check nails — overgrown nails can curl into the pad. Do NOT give any human pain medication to cats — acetaminophen (Tylenol) is FATAL to cats, and ibuprofen is also toxic.

When to See a Vet

If symptoms persist for more than 24–48 hours, worsen, or are accompanied by lethargy, loss of appetite, or pain, see your vet promptly.

When in doubt, call your vet. A quick phone consultation can help you decide if an in-person visit is needed.

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