Griseofulvin is an antifungal medication used to treat a number of types of dermatophytoses (ringworm). Common side effects include allergic reactions, nausea, diarrhea, headache, trouble sleeping, and feeling tired. Griseofulvin works by interfering with fungal mitosis. It is on the World Health Organization's List of Essential Medicines, the most effective and safe medicines needed in a health system. The wholesale cost in the developing world is about US$0.05–0.18 per day. In the United States a course of treatment costs $100–200.

Griseofulvin is an antifungal medication used to treat a number of types of dermatophytoses (ringworm). Common side effects include allergic reactions, nausea, diarrhea, headache, trouble sleeping, and feeling tired. Griseofulvin works by interfering with fungal mitosis. It is on the World Health Organization's List of Essential Medicines, the most effective and safe medicines needed in a health system. The wholesale cost in the developing world is about US$0.05–0.18 per day. In the United States a course of treatment costs $100–200.