FIRMAGON vs ZOLADEX

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 22, 2026·How we rate

Possible drug interaction. FIRMAGON and ZOLADEX 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	FIRMAGON	ZOLADEX
Rating	72/100	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	DEGARELIX ACETATE	GOSERELIN ACETATE
Manufacturer	Ferring Pharms Inc	Tersera
Dosage forms	Kit	Implant
Drug class	—	—
Boxed warning	None	None
Treats	Prostatic Neoplasms	Breast Neoplasms, Endometriosis, Prostatic Neoplasms

firmagon zoladex

Rating

72/100

New

Pharmacy pays

—

Type

Active ingredient

DEGARELIX ACETATE

GOSERELIN ACETATE

Manufacturer

Ferring Pharms Inc

Tersera

Dosage forms

Kit

Implant

Drug class

—

Boxed warning

None

Treats

Prostatic Neoplasms

Breast Neoplasms, Endometriosis, Prostatic Neoplasms

Frequently asked questions

What is the difference between Firmagon and Zoladex?

Firmagon contains Degarelix Acetate, while Zoladex contains Goserelin Acetate — 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.