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COLAZAL vs RENESE-R

Independent side-by-side comparison.

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

Possible drug interaction. COLAZAL and RENESE-R 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.

Rating

74/100
60/100

Pharmacy pays

~$11.02 /30
—

Type

RX
RX

Active ingredient

BALSALAZIDE DISODIUM
POLYTHIAZIDE AND RESERPINE

Dosage forms

Capsule
Tablet

Drug class

Aminosalicylate
—

Boxed warning

None
None

Treats

Ulcerative Colitis
—

Frequently asked questions

Which is better-rated, Colazal or Renese-R?

By our independent rating, Colazal scores higher — 3.7 vs 3.0 out of 5 for Renese-R. Ratings are based on FDA regulatory (recall-safety) data.

What is the difference between Colazal and Renese-R?

Colazal contains Balsalazide Disodium, while Renese-R contains Polythiazide and Reserpine — 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.