BUSULFEX vs INREBIC

Independent side-by-side comparison.

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

Possible drug interaction. BUSULFEX and INREBIC 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	BUSULFEX	INREBIC
Rating	New	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	BUSULFAN	FEDRATINIB HYDROCHLORIDE
Manufacturer	Otsuka	Bristol-Myers
Dosage forms	Injectable	Capsule
Drug class	Alkylating Drug	—
Boxed warning	None	None
Treats	Polycythemia Vera, Bcr-Abl Positive Chronic Myelogenous Leukemia, Primary Myelofibrosis	Primary Myelofibrosis

busulfex inrebic

Rating

New

Pharmacy pays

—

Type

Active ingredient

BUSULFAN

FEDRATINIB HYDROCHLORIDE

Manufacturer

Otsuka

Bristol-Myers

Dosage forms

Injectable

Capsule

Drug class

Alkylating Drug

—

Boxed warning

None

Treats

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

Primary Myelofibrosis

Frequently asked questions

What is the difference between Busulfex and Inrebic?

Busulfex contains Busulfan, while Inrebic contains Fedratinib Hydrochloride — 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.