TL;DR: Swollen or red paw pads in cats often indicate pododermatitis, a painful condition that usually requires a veterinary exam within 24 to 48 hours unless active bleeding or lethargy is present.
What causes swollen and red paw pads in my cat?
- Puffy, red, or inflamed paw pads are often signs of pododermatitis, which can be caused by environmental allergies, irritants, or bacterial infections.
- A specific immune-mediated condition known as Plasma Cell Pododermatitis, or "pillow paw," is a frequent cause of this swelling.
- Watch for behavioral signs such as excessive licking of the paws or walking gingerly on certain surfaces.
Is my cat's swollen paw pad a veterinary emergency?
- The urgency level for swollen paw pads is categorized as Medium; while rarely life-threatening, the condition is painful and prone to secondary infections.
- If your cat is eating and behaving normally, schedule a veterinary appointment within the next 24 to 48 hours.
- Seek care more promptly if you notice active bleeding, a foul odor, or if your cat is hiding and refusing food.
How does taking a photo of my cat’s paw help with triage?
- A clear, high-resolution photo provides a static record of the swelling and color at its peak, which is helpful since inflammation can fluctuate.
- Cats often tuck their paws away during exams due to stress, making a pre-taken photo a vital tool for your vet to assess the severity.
- Photos are highly useful for telehealth consultations to determine if an urgent in-person visit is required and to track healing over time.
Clinical Context (Merck Veterinary Manual)
Feline mosquito hypersensitivity can manifest as an allergic reaction to mosquito bites, potentially affecting the footpads. Lesions can progress from wheals to papules, plaques, and crusted ulcers. Pruritus is a consistent sign, and regional lymphadenopathy may occur; severe cases can present with fever or other systemic signs. Histologically, lesions are characterized by severe superficial and deep perivascular to interstitial eosinophilic dermatitis. Differential diagnoses include pemphigus foliaceus and other causes of eosinophilic dermatitis.
Chapter: Dermatology
Source: The Merck Veterinary Manual, 11th Edition (Page 522)
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This article is for general informational purposes only and is not a substitute for professional veterinary advice, diagnosis, or treatment. If you think your pet may be unwell, contact a licensed veterinarian.