FOSAMAX vs IBANDRONATE SODIUM

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 20, 2026·How we rate

Possible drug interaction. FOSAMAX and IBANDRONATE SODIUM are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

Attribute	FOSAMAX	IBANDRONATE SODIUM
Rating	70/100	New
Pharmacy pays	~$7.76 /30	$2.81 /mL
Type	RX	RX
Active ingredient	ALENDRONATE SODIUM	IBANDRONATE SODIUM
Manufacturer	Merck	Sun Pharm
Dosage forms	Tablet	Injectable, Solution, Tablet
Drug class	Bisphosphonate	Bisphosphonate
Boxed warning	None	None
Treats	Extramammary Paget Disease, Postmenopausal Osteoporosis	Postmenopausal Osteoporosis

fosamax ibandronate sodium

Rating

70/100

New

Pharmacy pays

~$7.76 /30

$2.81 /mL

Type

Active ingredient

ALENDRONATE SODIUM

IBANDRONATE SODIUM

Manufacturer

Merck

Sun Pharm

Dosage forms

Tablet

Injectable, Solution, Tablet

Drug class

Bisphosphonate

Boxed warning

None

Treats

Extramammary Paget Disease, Postmenopausal Osteoporosis

Postmenopausal Osteoporosis

Frequently asked questions

What is the difference between Fosamax and Ibandronate Sodium?

Fosamax contains Alendronate Sodium, while Ibandronate Sodium contains Ibandronate Sodium — they have different active ingredients.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.