Ribavirin comes in 200 mg tablets or capsules. The approved
dose of
ribavirin when used with Pegasys is 1,000-1,200 mg (5-6 tablets) daily, split into a morning dose (2-3 tablets) and an evening dose (3 tablets). The actual dose is based on body weight: people who weigh less than 165 lbs. take 1,000 mg daily, and people who weigh 165 lbs. or more take 1,200 mg daily.