Avoid covering affected skin areas with tight-fitting, synthetic clothing (such as nylon or polyester clothing, or plastic pants) that does not allow air to circulate to your skin. If you are treating athlete's foot, wear clean cotton socks and sandals or shoes that allow for air circulation. Keep your feet as dry as possible.
Griseofulvin could make you sunburn more easily. Avoid sunlight or tanning beds. Wear protective clothing and use sunscreen (SPF 30 or higher) when you are outdoors.
Drinking alcohol with  griseofulvin can cause side effects.
