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ATRIPLA vs COLAZAL

Independent side-by-side comparison.

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

Possible drug interaction. ATRIPLA 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

72/100
74/100

Pharmacy pays

~$42.28 /30
~$11.02 /30

Type

RX
RX

Active ingredient

EFAVIRENZ AND EMTRICITABINE AND TENOFOVIR DISOPROXIL FUMARATE
BALSALAZIDE DISODIUM

Dosage forms

Tablet
Capsule

Drug class

—
Aminosalicylate

Boxed warning

None
None

Treats

—
Ulcerative Colitis

Frequently asked questions

Which is better-rated, Atripla or Colazal?

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

Which is cheaper, Atripla or Colazal?

Colazal costs pharmacies less to acquire — about $11.02 vs $42.28 for a 30-count supply, per the CMS NADAC survey. That gap is in the pharmacy's cost of goods, not necessarily in what you pay: your price is set afterwards by your insurer and the pharmacy.

What is the difference between Atripla and Colazal?

Atripla contains Efavirenz and Emtricitabine and Tenofovir Disoproxil Fumarate, 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.