Fungal skin infections in cats, mainly ringworm and Malassezia yeast, thrive in India's humid climate. They show as circular bald patches, greasy or flaky skin, redness, and persistent itching. Here is what the signs mean, how to tell ringworm from yeast, whether it spreads to people, and when to see a vet.
Screen your pet free ↗Fungal skin infections in cats, mainly ringworm and Malassezia yeast, show as circular patches of hair loss, greasy or flaky skin, redness, and persistent itching. They thrive in India's humidity and are common in Persians and long-haired cats. Most are a Monitor, but fast-spreading patches or an affected kitten is Urgent, and ringworm spreads to people, so see a vet.
| What you see | What it may point to | Severity |
|---|---|---|
| A small flaky patch, mild itch | Early irritation | Monitor |
| Circular bald patches, greasy scale, redness, itching | Established fungal infection | Monitor |
| Fast-spreading lesions, raw or weeping skin, a kitten or elderly cat affected | Needs prompt care | Urgent |
| Clean, full coat with no flaking or patches | Likely normal | Normal |
Severity labels follow PawCheck's Normal / Monitor / Urgent screening scale. They are a guide, not a diagnosis.
Circular patches of hair loss with a crusty or scaly rim (ringworm), or greasy, brownish, smelly skin in the folds and chin (yeast). Both bring redness and steady itching.
Heat and humidity let fungi flourish, so cases rise sharply in the monsoon. Damp coats, poor drying after a bath, and crowded homes all raise the risk.
Persians and long-haired breeds, kittens, elderly cats, and any cat with a weak immune system. Long coats trap moisture and are harder to dry fully.
Three common reasons a cat's skin flakes and itches. The big difference is whether it spreads to other pets and people.
| Ringworm | Yeast (Malassezia) | Allergy | |
|---|---|---|---|
| Look | Circular bald patches, crusty rim | Greasy, brownish, smelly skin | Red, itchy, no clear shape |
| Where | Face, ears, paws | Chin, skin folds, nail beds | Belly, face, paws |
| Spreads to pets and people | Yes, strongly | No | No |
| Usual severity | Monitor, isolate | Monitor | Monitor |
When in doubt, a vet visit is always the safe choice. PawCheck helps you judge how quickly to act, it does not replace that visit.
Ringworm is strongly contagious. It spreads between cats, to dogs, and to people, and children are especially likely to catch it as round, itchy patches on the skin. A cat with suspected ringworm should be kept apart from other pets, and its bedding washed often.
Yeast infections and allergies are not contagious. If more than one pet or a family member develops skin lesions, that points towards ringworm, and both the pet and the person should be seen by their respective doctor.
PawCheck screens cat skin as one of 6 scan categories (eye, skin, ear, teeth, wound, and gut). Photograph the affected patch and PawCheck returns a Normal, Monitor, or Urgent severity read in under 10 seconds, helping you judge how quickly to act. Free on Android, 5 scans a month.
Further reading: MSD Veterinary Manual; Cornell University College of Veterinary Medicine. This page is general information and does not replace an examination by a qualified veterinarian.
PawCheck's AI can flag 5 cat skin and 5 cat ear conditions.
Related reading: Signs your cat has a skin problem · Persian cat health in India
PawCheck gives a severity read on your cat's skin in under 10 seconds.
Download Free, Android ↗PawCheck is a wellness screening tool. Not a veterinary diagnostic device. Always consult a qualified veterinarian.