COLAZAL vs TAVIST ALLERGY/SINUS/HEADACHE

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 8, 2026·How we rate

Possible drug interaction. COLAZAL and TAVIST ALLERGY/SINUS/HEADACHE 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	TAVIST ALLERGY/SINUS/HEADACHE
Rating	74/100	70/100
Pharmacy pays	~$11.02 /30	$0.03 /mL
Type	RX	RX
Active ingredient	BALSALAZIDE DISODIUM	ACETAMINOPHEN AND CLEMASTINE FUMARATE AND PSEUDOEPHEDRINE HYDROCHLORIDE
Manufacturer	Valeant Pharm Intl	Novartis
Dosage forms	Capsule	Tablet
Drug class	Aminosalicylate	—
Boxed warning	None	None
Half-life	—	roughly 3 to 16 hours — the label does not give one number, because the elimination half-life depends on urine pH: about 3 to 6 hours when urine pH is 5 (acidic), and about 9 to 16 hours when urine pH is 8 (alkaline)
Treats	Ulcerative Colitis	—

colazal tavist allergy/sinus/headache

Rating

74/100

70/100

Pharmacy pays

~$11.02 /30

$0.03 /mL

Type

Active ingredient

BALSALAZIDE DISODIUM

ACETAMINOPHEN AND CLEMASTINE FUMARATE AND PSEUDOEPHEDRINE HYDROCHLORIDE

Manufacturer

Valeant Pharm Intl

Novartis

Dosage forms

Capsule

Tablet

Drug class

Aminosalicylate

—

Boxed warning

None

Half-life

—

roughly 3 to 16 hours — the label does not give one number, because the elimination half-life depends on urine pH: about 3 to 6 hours when urine pH is 5 (acidic), and about 9 to 16 hours when urine pH is 8 (alkaline)

Treats

Ulcerative Colitis

—

Frequently asked questions

Which is better-rated, Colazal or Tavist Allergy/Sinus/Headache?

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

What is the difference between Colazal and Tavist Allergy/Sinus/Headache?

Colazal contains Balsalazide Disodium, while Tavist Allergy/Sinus/Headache contains Acetaminophen and Clemastine Fumarate and Pseudoephedrine 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.