COLAZAL vs VEKLURY

Independent side-by-side comparison.

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

Possible drug interaction. COLAZAL and VEKLURY 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	VEKLURY
Rating	74/100	70/100
Pharmacy pays	~$11.02 /30	—
Type	RX	RX
Active ingredient	BALSALAZIDE DISODIUM	REMDESIVIR
Manufacturer	Valeant Pharm Intl	Gilead Sciences Inc
Dosage forms	Capsule	Injectable
Drug class	Aminosalicylate	—
Boxed warning	None	None
Treats	Ulcerative Colitis	Virus Diseases, Coronavirus Infections

colazal veklury

Rating

74/100

70/100

Pharmacy pays

~$11.02 /30

—

Type

Active ingredient

BALSALAZIDE DISODIUM

REMDESIVIR

Manufacturer

Valeant Pharm Intl

Gilead Sciences Inc

Dosage forms

Capsule

Injectable

Drug class

Aminosalicylate

—

Boxed warning

None

Treats

Ulcerative Colitis

Virus Diseases, Coronavirus Infections

Frequently asked questions

Which is better-rated, Colazal or Veklury?

By our independent rating, Colazal scores higher — 3.7 vs 3.5 out of 5 for Veklury. Ratings are based on FDA regulatory (recall-safety) data.

What is the difference between Colazal and Veklury?

Colazal contains Balsalazide Disodium, while Veklury contains Remdesivir — 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.