STIMUFEND vs ZARXIO

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 16, 2026·How we rate

Possible drug interaction. STIMUFEND and ZARXIO 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	STIMUFEND	ZARXIO
Rating	68/100	68/100
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	PEGFILGRASTIM-FPGK	FILGRASTIM-SNDZ
Manufacturer	Fresenius Kabi USA	Sandoz
Dosage forms	Injectable	Injectable
Drug class	—	—
Boxed warning	None	None
Treats	Neutropenia	Neutropenia

stimufend zarxio

Rating

68/100

Pharmacy pays

—

Type

Active ingredient

PEGFILGRASTIM-FPGK

FILGRASTIM-SNDZ

Manufacturer

Fresenius Kabi USA

Sandoz

Dosage forms

Injectable

Drug class

—

Boxed warning

None

Treats

Neutropenia

Frequently asked questions

Which is better-rated, Stimufend or Zarxio?

Stimufend and Zarxio are tied at 3.4 out of 5 by our independent rating.

What is the difference between Stimufend and Zarxio?

Stimufend contains Pegfilgrastim-Fpgk, while Zarxio contains Filgrastim-Sndz — 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.