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ARALEN PHOSPHATE W/ PRIMAQUINE PHOSPHATE vs COLAZAL

Independent side-by-side comparison.

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

Possible drug interaction. ARALEN PHOSPHATE W/ PRIMAQUINE PHOSPHATE and COLAZAL 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

70/100
74/100

Pharmacy pays

—
~$11.02 /30

Type

RX
RX

Active ingredient

CHLOROQUINE PHOSPHATE AND PRIMAQUINE PHOSPHATE
BALSALAZIDE DISODIUM

Dosage forms

Tablet
Capsule

Drug class

—
Aminosalicylate

Boxed warning

None
None

Treats

—
Ulcerative Colitis

Frequently asked questions

Which is better-rated, Aralen Phosphate W/ Primaquine Phosphate or Colazal?

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

What is the difference between Aralen Phosphate W/ Primaquine Phosphate and Colazal?

Aralen Phosphate W/ Primaquine Phosphate contains Chloroquine Phosphate and Primaquine Phosphate, while Colazal contains Balsalazide Disodium — 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.