what is ketoconazole used for?
Ketoconazole is used to treat infections caused by a fungus or yeast. It works by killing the fungus or yeast or preventing its growth. Ketoconazole cream is used to treat: 1  Athlete's foot (tinea pedis; ringworm of the foot); 2  Ringworm of the body (tinea corporis); 3  Ringworm of the groin (tinea cruris; jock itch); 4  Seborrheic dermatitis;  5 Sun fungus (tinea versicolor; pityriasis versicolor); and. 6  Yeast infection of the skin (cutaneous candidiasis).