The superficial fungal infections include some of the most common infectious conditions, such as ringworm or dermatophytosis and pityriasis versicolor, as well as rare disorders including tinea nigra. Their prevalence varies in different parts of the world, but in many tropical countries they are the most common causes of skin disease. Dermatophyte infections and other superficial mycoses are described in this chapter. Superficial candidiasis is discussed in.