Pirenzone can treat ringworm because the main ingredients of Pirenzone are tretinoin and econazole, which contain antifungal ingredients, and ringworm is a fungal infection that is caused by fungal infection in the pubic area. It is important to take care of the patient’s undergarments to avoid re-infection. 3. It is recommended to treat other fungal infections, such as athlete’s foot, at the same time to avoid the re-infection of other fungal infections after the ringworm is treated.