Fosamax Dosage

Generic name: alendronate
Brand names: Binosto, Fosamax
Drug class: Bisphosphonates

Medically reviewed by  A Ras MD.

Recommended Adult Dosing

Dosage forms:  TAB: 70 mg

Dosage Forms Discontinued in US

[5 mg, 10 mg, 35 mg, 40 mg tab, 70 mg per 75 mL oral solution not avail. as brand; see generic]

Osteoporosis tx, postmenopausal

[70 mg PO qwk]

Info: give w/ water, 30min before first food/drink/med, avoid lying down x30min; calcium and vitamin D supplementation recommended if inadequate dietary intake; reassess need for tx in 3-5y; may consider drug holiday if stable after tx x5y (low-mod risk pt); optimal holiday duration up to 5y; if drug holiday initiated, reassess need for tx q2-4y and consider resuming tx in pts w/ fracture or significant BMD loss

Osteoporosis, male

[70 mg PO qwk]

Info: give w/ water, 30min before first food/drink/med, avoid lying down x30min; calcium and vitamin D supplementation recommended if inadequate dietary intake; periodically reassess need for tx; consider D/C after 3-5y in low-risk pts

Renal dosing

CrCl <35: avoid use

HD/PD: not defined

Hepatic dosing

[no adjustment]

SRC: NLM .