Most cats with ringworm will have a positive culture within 10 days, but in rare cases, growth may not occur for 14-21 days. Transmission occurs by direct contact between infected and non-infected individuals. It may be passed from dogs to cats and vice versa. It may also be passed from dogs or cats to people and vice versa. If a child has ringworm, he or she may have acquired it from a pet or from another child at school.
Children are quite susceptible.
Consult with your family physician if any family member develops suspicious skin lesions. Transmission may also occur from the infected environment. The fungal spores may live in bedding or carpet for several months. There are several methods for treating ringworm. This is a drug, in tablet form, that is concentrated deep in the hair follicles where it can reach the site of active fungal growth.