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STIMUFEND vs ZARXIO

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 6, 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.

stimufendzarxio

Rating

66/100
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

Frequently asked questions

Which is better-rated, Stimufend or Zarxio?

By our independent rating, Zarxio scores higher — 3.4 vs 3.3 out of 5 for Stimufend. Ratings are based on FDA regulatory (recall-safety) data.

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.