COLAZAL vs QSYMIA
Independent side-by-side comparison.
Possible drug interaction. COLAZAL and QSYMIA 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.
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Frequently asked questions
Which is better-rated, Colazal or Qsymia?
By our independent rating, Colazal scores higher — 3.7 vs 3.5 out of 5 for Qsymia. Ratings are based on FDA regulatory (recall-safety) data.
Which is cheaper, Colazal or Qsymia?
Qsymia costs pharmacies less to acquire — about $2.49 vs $11.02 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 Colazal and Qsymia?
Colazal contains Balsalazide Disodium, while Qsymia contains Phentermine Hydrochloride and Topiramate — 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.