You are in Medical Library . An infection of the body surface with mold-like fungi called dermatophytes. Some of these are useful to the body. Others may multiply rapidly and form infections.
Fungi thrive in warm, moist areas.
Susceptibility to fungal infection is increased by poor hygiene, prolonged moist skin, and minor skin or nail injuries. Tinea infections are contagious and can be passed from direct contact or contact with items such as combs, clothing, shower or pool surfaces. The diagnosis is primarily based on the appearance of the skin. A Wood's lamp fluorescence test may be performed to confirm the diagnosis. This test is commonly performed because it is easy to perform and results are immediately available.