COLAZAL vs WINREVAIR

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 10, 2026·How we rate

Possible drug interaction. COLAZAL and WINREVAIR 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	COLAZAL	WINREVAIR
Rating	74/100	72/100
Pharmacy pays	~$11.02 /30	—
Type	RX	RX
Active ingredient	BALSALAZIDE DISODIUM	SOTATERCEPT-CSRK
Manufacturer	Valeant Pharm Intl	Merck Sharp Dohme
Dosage forms	Capsule	Kit
Drug class	Aminosalicylate	—
Boxed warning	None	None
Treats	Ulcerative Colitis	Pulmonary Arterial Hypertension

colazal winrevair

Rating

74/100

72/100

Pharmacy pays

~$11.02 /30

—

Type

Active ingredient

BALSALAZIDE DISODIUM

SOTATERCEPT-CSRK

Manufacturer

Valeant Pharm Intl

Merck Sharp Dohme

Dosage forms

Capsule

Kit

Drug class

Aminosalicylate

—

Boxed warning

None

Treats

Ulcerative Colitis

Pulmonary Arterial Hypertension

Frequently asked questions

Which is better-rated, Colazal or Winrevair?

By our independent rating, Colazal scores higher — 3.7 vs 3.6 out of 5 for Winrevair. Ratings are based on FDA regulatory (recall-safety) data.

What is the difference between Colazal and Winrevair?

Colazal contains Balsalazide Disodium, while Winrevair contains Sotatercept-Csrk — 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.