- Adult with normal hepatic and Renal Function
- Start: 40 mg orally daily with food
- Typical maintenance dose: 40-160 mg orally daily
- Maximum: 160 mg/day
- Adult with Moderate to severe hepatic or Renal Function (or strong CYP3A4 Inhibitor)
- Start: 20 mg orally daily with food
- Maximum: 80 mg/day (40 mg/day if severe hepatic insufficiency)
- Child (ages 13 to 17 years old)
- Start: 40 mg orally daily with food
- Typical maintenance dose: 40-80 mg orally daily
- Maximum: 80 mg/day
- Start: 20 mg orally daily with food
- Typical maintenance dose: 20 to 60 mg orally daily
- Maximum: 120 mg/day (no additional benefit of doses >60 mg)
- Unknown safety in pregnancy and Lactation
- (2016) Med Lett Drugs Ther 58(1510): 160-5
- Olson (2020) Clinical Pharmacology, Medmaster Miami, p. 42-3
- Hamilton (2020) Tarascon Pocket Pharmacopoeia
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