FOSAMAX vs ZOMETA

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 18, 2026·How we rate

Possible drug interaction. FOSAMAX and ZOMETA 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	ZOMETA
Rating	70/100	70/100
Pharmacy pays	~$7.76 /30	$0.47 /mL
Type	RX	RX
Active ingredient	ALENDRONATE SODIUM	ZOLEDRONIC ACID
Manufacturer	Merck	Novartis
Dosage forms	Tablet	Injectable
Drug class	Bisphosphonate	Bisphosphonate
Boxed warning	None	None
Treats	Extramammary Paget Disease, Postmenopausal Osteoporosis	Bone Neoplasms, Hypercalcemia, Multiple Myeloma

fosamax zometa

Rating

70/100

Pharmacy pays

~$7.76 /30

$0.47 /mL

Type

Active ingredient

ALENDRONATE SODIUM

ZOLEDRONIC ACID

Manufacturer

Merck

Novartis

Dosage forms

Tablet

Injectable

Drug class

Bisphosphonate

Boxed warning

None

Treats

Extramammary Paget Disease, Postmenopausal Osteoporosis

Bone Neoplasms, Hypercalcemia, Multiple Myeloma

Frequently asked questions

Which is better-rated, Fosamax or Zometa?

Fosamax and Zometa are tied at 3.5 out of 5 by our independent rating.

What is the difference between Fosamax and Zometa?

Fosamax contains Alendronate Sodium, while Zometa contains Zoledronic Acid — 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.