prazosin

Adult Dosing .

Dosage forms:  CAP: 1 mg, 2 mg, 5 mg

HTN

[6-15 mg/day PO divided bid-tid]

Start: 1 mg PO bid-tid; Max: 20 mg/day; Info: give 1st dose at bedtime

benign prostatic hypertrophy (off-label)

[0.5-1 mg PO bid]

Max: 4 mg/day

nightmares, post-traumatic stress disorder-assoc. (off-label)

[3-15 mg PO qhs]

Start: 1 mg PO qhs, then incr. by 1-2 mg/day q3-4 days; Max: 15 mg/day

renal dosing

[no adjustment]

renal impairment: no adjustment

HD/PD: no adjustment; no supplement

hepatic dosing

[not defined]

Peds Dosing .

Dosage forms:  CAP: 1 mg, 2 mg, 5 mg

HTN (off-label)

[0.05-0.5 mg/kg/day PO divided q8h]

Start: 0.05-0.1 mg/kg/day PO divided q8h; Max: 20 mg/day

nightmares, post-traumatic stress disorder-assoc. (off-label)

[5-17 yo]

Dose: 1-5 mg PO qhs; Start: 1 mg PO qhs, then may incr. by 1 mg/day q3-4 days; Max: 5 mg/day

pheochromocytoma, adjunct tx (off-label)

[0.05-0.5 mg/kg/day PO divided q8h]

Start: 0.05-0.1 mg/kg/day PO divided q8h; begin 10-14 days preop; Max: 20 mg/day

renal dosing

[not defined]

renal impairment: consider adult renal dosing for guidance

HD/PD: consider adult renal dosing for guidance

hepatic dosing

[not defined]