phentermine hydrochloride

Adult Dosing .

Dosage forms:  CAP: 15 mg, 30 mg, 37.5 mg; TAB: 37.5 mg

Special Note

[strength clarification]

Info: 15 mg phentermine hydrochloride = 12 mg phentermine resin; 30 mg phentermine hydrochloride = 24 mg phentermine resin; 37.5 mg phentermine hydrochloride = 30 mg phentermine resin

weight management, short-term tx

[15-37.5 mg PO qam]

Max: 37.5 mg/day; Info: for pts w/ BMI >30 kg/m^2 or >27 kg/m^2 w/ wt-related comorbidity; give before or 1-2h after breakfast; may divide dose bid; D/C when tolerance occurs; taper dose gradually to D/C if prolonged, high-dose use

renal dosing

[see below]

CrCl 15-29: max 15 mg/day; CrCl <15: avoid use

HD/PD: avoid use

hepatic dosing

[not defined]

Peds Dosing .

Dosage forms:  CAP: 15 mg, 30 mg, 37.5 mg; TAB: 37.5 mg

Special Note

[strength clarification]

Info: 15 mg phentermine hydrochloride = 12 mg phentermine resin; 30 mg phentermine hydrochloride = 24 mg phentermine resin; 37.5 mg phentermine hydrochloride = 30 mg phentermine resin

weight management, short-term tx

[>16 yo]

Dose: 15-37.5 mg PO qam; Max: 37.5 mg/day; Info: for pts w/ BMI >30 kg/m^2 or >27 kg/m^2 w/ wt-related comorbidity; give before or 1-2h after breakfast; may divide dose bid; D/C when tolerance occurs; taper dose gradually to D/C if prolonged, high-dose use

renal dosing

[see below]

CrCl 15-29: max 15 mg/day; CrCl <15: avoid use

HD/PD: avoid use

hepatic dosing

[not defined]