Ringworm Treatment: Why Calamine Lotion Isn't Effective

Calamine lotion should not be used to treat ringworm. Ringworm is a fungal infection of the skin and nails, and calamine lotion is not effective against fungal infections. There are several over-the-counter and prescription antifungal medications available to treat ringworm, and it is always best to see a doctor for a diagnosis and treatment recommendation.