This medicine is used to treat relapsing-remitting multiple sclerosis (MS) in patients 13 years and older.
Start with 120 mg twice a day for the first 7 days, then take the usual dose of 240 mg twice a day.
Swallow the capsules whole with water. Do not break, crush, dissolve, suck, or chew the capsule. Take this medicine with food.
The maximum daily dose is 480 mg, taken as 240 mg twice daily.