PO- The recommended dosage is 100-200 mgday in divided doses.Topical- Apply the gel (4 g) to the affected area, 4 times daily. It comes as a tablet to take by mouth, with food.It also comes as a gel to apply topically.
Common side effects
Headache. Belly pain. Upset stomach or throwing up. Many small meals, good mouth care, sucking hard, sugar-free candy, or chewing sugar-free gum may help. Hard stools (constipation). Drinking more liquids, working out, or adding fiber to your diet may help. Talk with your doctor about a stool softener or laxative. Loose stools (diarrhea). Harm to the liver may rarely happen.