Ringworm is the most common infectious skin disease in cats and raises important welfare considerations for both affected animals and the humans who care for them.
Ringworm causes welfare harm at multiple levels. Affected cats experience skin irritation, pruritus (itching), and the discomfort of treatment protocols that may include antifungal shampoos applied twice weekly. The lengthy treatment period — typically 6–12 weeks — prolongs discomfort and places cats under ongoing veterinary handling stress. In shelter settings, ringworm is a significant welfare crisis: the resource-intensive treatment protocol overwhelms under-resourced facilities, leading to euthanasia of treatable animals. Cats in extended treatment isolation lose socialization opportunities during critical developmental windows. The zoonotic risk — humans can contract ringworm from cats — leads to premature surrender of beloved pets. Prompt diagnosis, species-appropriate treatment protocols, and infection control are essential to minimize welfare harm.