The typical dose is 300 mg taken orally twice a day (about 12 hours apart).
Your dose might be different if you have severe liver problems or if you're also taking certain medications (see Pharmacist Tips for more information).
Prescription savings
Stop paying too much for your prescriptions. Compare prices, get pharmacy coupons, and save up to 80%.Resources
About GoodRx
Find expert answers to your health questions so you can make the best decisions for yourself and your family.Health conditions
Medications & treatment
Access & affordability
Well-being
Medication discounts
