Cats

Cat Ringworm Treatment and Decontamination

Ringworm (dermatophytosis) in cats is highly contagious to other animals and humans. Effective treatment and environmental decontamination are essential for welfare and public health.

Key Facts

Ringworm is caused by fungal dermatophytes, most commonly Microsporum canis in cats
Affected cats show circular patches of hair loss, scaling and crusting, often on the face and limbs
Kittens and immunocompromised cats are most susceptible to severe infection
Systemic antifungal treatment (itraconazole or terbinafine) combined with topical therapy achieves cure
Environmental decontamination with dilute bleach solution eliminates persistent spores from surfaces

Welfare Considerations

Ringworm causes skin irritation and itching in affected cats. Systemic antifungal treatment protocols lasting 6-8 weeks impose medication stress and potential side effects. The primary welfare concern is ensuring treatment is completed fully and not abandoned when lesions appear to resolve before fungal eradication is complete. Incomplete treatment leads to relapse and prolonged discomfort.

What You Can Do

Seek veterinary diagnosis with fungal culture before starting treatment to confirm ringworm
Follow the full treatment course of systemic antifungals even after lesions appear healed
Decontaminate the home environment thoroughly with dilute bleach to prevent reinfection
Isolate affected cats from other pets and wash hands thoroughly after handling
Monitor household members for circular skin lesions and seek medical advice if they develop