ACTONEL vs DIDRONEL

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated June 7, 2026·How we rate

Possible drug interaction. ACTONEL and DIDRONEL 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	ACTONEL	DIDRONEL
Rating	New	New
Pharmacy pays	~$73.02 /30	—
Type	RX	RX
Active ingredient	RISEDRONATE SODIUM	ETIDRONATE DISODIUM
Manufacturer	Apil	Mgi Pharma Inc
Dosage forms	Tablet	Tablet, Injectable
Drug class	Bisphosphonate	—
Boxed warning	None	None
Half-life	about 561 hours — roughly 23 days	—
Treats	Extramammary Paget Disease, Postmenopausal Osteoporosis	Hypercalcemia, Heterotopic Ossification, Extramammary Paget Disease

actonel didronel

Rating

New

Pharmacy pays

~$73.02 /30

—

Type

Active ingredient

RISEDRONATE SODIUM

ETIDRONATE DISODIUM

Manufacturer

Apil

Mgi Pharma Inc

Dosage forms

Tablet

Tablet, Injectable

Drug class

Bisphosphonate

—

Boxed warning

None

Half-life

about 561 hours — roughly 23 days

—

Treats

Extramammary Paget Disease, Postmenopausal Osteoporosis

Hypercalcemia, Heterotopic Ossification, Extramammary Paget Disease

Frequently asked questions

What is the difference between Actonel and Didronel?

Actonel contains Risedronate Sodium, while Didronel contains Etidronate Disodium — 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.