Culture of the hair for the fungus. This method is the most accurate way to diagnose feline ringworm. Also, the color of the gel will change from yellow to red as the fungus grows. These cultures are checked daily. 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.