Dose Range/Adult Daily Dose
- Schizophrenia: start 1.5 mg/d, may ↑ on 2nd day to 3 mg, may ↑ 1.5 mg or 3 mg based on response/tolerance to dose of 1.56 mg/d (maintenance). Bipolar mania: start: 1.5 mg/d, may ↑ on 2nd day to 3 mg, may ↑ 1.5 mg or 3 mg based on response/tolerance to dose of 1.56 mg/d (titrated up to 36 mg/d).
Use/Common Side Effects (CSE)
- Use: Treatment of schizophrenia; Acute treatment of mania/mixed episodes in Bipolar I disorder.
CSE: ↓ appetite, ↑ weight, hyperglycemia, diabetes, dyslipidemia, drowsiness, headache, dyspepsia, dysphagia, nausea, EPS, somnolence, akathisia. NEUROLEPTIC MALIGNANT SYNDROME, AGRANULOCYTOSIS
Geriatric & Dose Considerations
- ↑mortality in elderly with dementia-related psychosis.
Orthostatic hypotension (caution: falls); caution: renal/hepatic impairment; ↓ CV function, dehydration.