People can develop cat moss. Ringworm is a contagious skin disease caused by a fungal infection with erythema and scaling on the skin as the main clinical manifestation. It can be treated with topical antifungal creams, such as clotrimazole ointment or terbinafine hydrochloride cream. If necessary, oral antifungal drugs such as terbinafine hydrochloride tablets or itraconazole capsules can be combined. For specific diagnosis and treatment, it is recommended that reasonable treatment be given after the clinician has made a clear diagnosis. Because these drugs, especially oral drugs, have certain side effects.