Dermatophytes produce an infection commonly known as ringworm or tinea. Several commonly contracted skin diseases include ringworm, impetigo, herpes gladiatorum, and staph infection. Microscopic fungi cause diseases such as ringworm, candidiasis and histoplasmosis. Antifungal shampoos are used on pets with yeast or ringworm infections. As such it is used to treat warts, calluses, psoriasis, dandruff, acne, ringworm, and ichthyosis. Tolnaftate is used to treat fungal conditions such as jock itch, athlete's foot and ringworm. As such, it is used to treat warts, psoriasis, acne, ringworm, dandruff, and ichthyosis. There are three fungal species that cause ringworm in dogs. Fungi causing ringworm infections produce septate (segmented) hyphae. Illnesses and diseases may also include ringworm, head lice, and hand, feet, mouth disease. "Impatiens parviflora" is also used as a treatment for warts, ringworm, and nettle stings. In more severe cases or scalp ringworm, systemic treatment with oral medications may be given. Infections on the body may give rise to typical enlarging raised red rings of ringworm. About 40 types of fungi can cause ringworm. Griseofulvin is an antifungal medication used to treat a number of types of dermatophytoses (ringworm).