Cholestyramine Resin

70 interactions 215 cited references
Also sold as: Locholest® Locholest® Light Prevalite Prevalite® Questran Questran® Questran® Light
About Cholestyramine Resin

Cholestyramine is used with diet changes (restriction of cholesterol and fat intake) to reduce the amount of cholesterol and certain fatty substances in your blood. Accumulation of cholesterol and fats along the walls of your arteries (a process known as atherosclerosis) decreases blood flow and, therefore, the oxygen… Read the full Cholestyramine Resin drug information page →

Dr. Brian Staiger, PharmD, BCPS
Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated Aug 10, 2026 · Editorial policy · Data sources

Sources: FDA prescribing information (Structured Product Labeling), the published literature cited in each entry, DDInter 2.0 (a major open-access drug-interaction database), and legacy DrugBank interaction data distributed by the NIH's RxNav service (decommissioned in 2024) — analyzed and reviewed by our pharmacist team. How we build this library →

Most serious with: Bezafibrate Chenodiol Deferasirox Dexamethasone Digoxin Elafibranor
15 Major 41 Moderate 14 Minor
All (70) Major (15) Moderate (41) Minor (14)

Moderate

Cholestyramine Resin Warfarin Coumadin Decreased effects of warfarin Details

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Educational information only, not medical advice. Always confirm interactions with your pharmacist or prescriber before making any change to your medications.