BUSULFAN vs BUSULFEX

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 21, 2026·How we rate

Attribute	BUSULFAN	BUSULFEX
Rating	72/100	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	BUSULFAN	BUSULFAN
Manufacturer	Actavis	Otsuka
Dosage forms	Injectable, Solution	Injectable
Drug class	Alkylating Drug	Alkylating Drug
Boxed warning	None	None
Treats	Polycythemia Vera, Bcr-Abl Positive Chronic Myelogenous Leukemia, Primary Myelofibrosis	Polycythemia Vera, Bcr-Abl Positive Chronic Myelogenous Leukemia, Primary Myelofibrosis

busulfan busulfex

Rating

72/100

New

Pharmacy pays

—

Type

Active ingredient

BUSULFAN

Manufacturer

Actavis

Otsuka

Dosage forms

Injectable, Solution

Injectable

Drug class

Alkylating Drug

Boxed warning

None

Treats

Polycythemia Vera, Bcr-Abl Positive Chronic Myelogenous Leukemia, Primary Myelofibrosis

Frequently asked questions

What is the difference between Busulfan and Busulfex?

Both Busulfan and Busulfex share the active ingredient Busulfan.

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.