Prozac Dosage
Generic name: fluoxetine
Brand names: Prozac, Prozac Weekly
Drug class: Selective serotonin reuptake inhibitors
Medically reviewed by A Ras MD.
Recommended Adult Dosing
Dosage forms: CAP: 10 mg, 20 mg, 40 mg
Major depressive disorder
- [20-80 mg PO qam]
- Start: 20 mg PO qam, may incr. dose after several wk; Max: 80 mg/day; Info: doses >20 mg/day may be divided bid; taper dose gradually to D/C
Major depressive disorder, tx-resistant
- [20-50 mg PO qpm]
- Start: 20 mg PO qpm; Max: 50 mg/day; Info: give w/ olanzapine; periodically reassess need for tx; taper dose gradually to D/C
Obsessive-compulsive disorder
- [20-60 mg PO qam]
- Start: 20 mg PO qam, may incr. dose after several wk; Max: 80 mg/day; Info: doses >20 mg/day may be divided bid; taper dose gradually to D/C
Bulimia nervosa
- [60 mg PO qam]
- Info: may titrate dose to 60 mg/day over several days; taper dose gradually to D/C
Panic disorder
- [20 mg PO qam]
- Start: 10 mg PO qam x1wk; Max: 60 mg/day; Info: taper dose gradually to D/C
Bipolar I disorder, acute depressive
- [20-50 mg PO qpm]
- Start: 20 mg PO qpm; Max: 50 mg/day; Info: give w/ olanzapine; periodically reassess need for tx; taper dose gradually to D/C
Cataplexy
- [20-60 mg PO qam]
- Start: 20 mg PO qam, may incr. dose qwk; Max: 80 mg/day; Info: doses >20 mg/day may be divided bid; taper dose gradually to D/C
Renal dosing
- [no adjustment]
- renal impairment: no adjustment
- HD/PD: no adjustment; no supplement
Hepatic dosing
- [adjust dose amount, frequency]
- hepatic impairment: decr. dose or frequency, amount not defined
SRC: NLM .