Most fungal skin infections respond well to antifungal creams or shampoos, according to KidsHealth. To determine the appropriate medication, the doctor may scrape some of the irritated skin for microscopic examination or to grow a culture. In some cases, a doctor may prescribe oral medication.
Athlete's foot and yeast infections are types of fungal infections that sometimes affect the skin, according to MedlinePlus. Fungi are primitive organisms that live in the air, soil, water and on plants and the human skin. They include mushrooms and mold and mildew. Some types of fungi are not harmful.
Athlete's foot is one type of fungus that lives on dead skin tissue, according to WebMD. The fungus causes itching, peeling of the skin and redness. It sometimes causes blisters and breaking down of the skin; however, other conditions can cause similar symptoms. Microscopic examination is the best way to diagnose the condition. In addition to using antifungal medication, it helps to keep the feet clean and dry. Wearing shower sandals when using public showers helps to prevent athlete's foot.
Ringworm is a fungal infection that spreads through direct contact with infected individuals or animals, indicates WebMD. It causes circular, raised, flat areas on the skin. Most ringworm responds to topical medication, including over-the-counter antifungal creams.