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QUESTRAN LIGHT vs WELCHOL

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 21, 2026·How we rate

Possible drug interaction. QUESTRAN LIGHT and WELCHOL 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

New
70/100

Pharmacy pays

~$20.16 /30
~$8.45 /30

Type

RX
RX

Active ingredient

CHOLESTYRAMINE
COLESEVELAM HYDROCHLORIDE

Dosage forms

Powder
Tablet

Drug class

Bile Acid Sequestrant
Bile Acid Sequestrant

Boxed warning

None
None

Treats

Coronary Artery Disease, Type 2 Diabetes Mellitus, Diarrhea

Get welcholhigher-rated option

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Frequently asked questions

Which is cheaper, Questran Light or Welchol?

Welchol costs pharmacies less to acquire — about $8.45 vs $20.16 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 Questran Light and Welchol?

Questran Light contains Cholestyramine, while Welchol contains Colesevelam 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.