Miconazole nitrate is used all over the body to treat a variety of conditions: Ringworm of Groin Area, Athlete's Foot, Ringworm of the Body, Fungal Infection of the Skin with Yellow Patches, and Skin Infection due to a Candida Yeast. Most people associate it with the last condition.
It's also related to Ketoconazole. This cream is used to treat tinea corporis (ringworm; fungal skin infection that causes a red scaly rash on different parts of the body), tinea cruris (jock itch; fungal infection of the skin in the groin or buttocks), tinea pedis (athlete's foot; fungal infection of the skin on the feet and between the toes), tinea versicolor (fungal infection that causes brown or light colored spots on the chest, back, arms, legs, or neck), and yeast infections of the skin. Prescription ketoconazole shampoo is used to treat tinea versicolor. Over-the-counter ketoconazole shampoo is used to control flaking, scaling, and itching of the scalp caused by dandruff. Ketoconazole and MN are in a class of antifungal medications called imidazoles.