This combination medication is used to treat a variety of skin conditions (e.g., eczema, fungal skin infections such as ringworm/athlete's foot/jock itch). This product contains 2 medications. Iodoquinol is an antibiotic that works by preventing the growth of fungus/bacteria. Hydrocortisone is a mild corticosteroid that works by reducing the swelling, redness, and itching that occurs in the affected skin.