Does Cholestyramine Light Interact with Ezetimibe?
Cholestyramine Light and Ezetimibe have a moderate drug interaction according to U.S. FDA drug labeling data. Cholestyramine decreases mean exposure of total ezetimibe, resulting in reduced efficacy. Administer ezetimibe at least 2 hours before or 4 hours after cholestyramine. The mechanism involves decreased ezetimibe exposure. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This information is based on official FDA drug labeling sourced from OpenFDA and the NIH National Library of Medicine.
- Severity
- Moderate
- Cholestyramine Light Class
- Bile Acid Sequestrant
- Ezetimibe Class
- Dietary Cholesterol Absorption Inhibitor
- Management
- Monitor for effects
- Data Source
- U.S. FDA via OpenFDA
How This Interaction Works
The interaction between Cholestyramine Light and Ezetimibe occurs because decreased ezetimibe exposure. Clinically, this means cholestyramine decreases mean exposure of total ezetimibe, resulting in reduced efficacy. administer ezetimibe at least 2 hours before or 4 hours after cholestyramine. This is classified as a moderate interaction. While it may not require stopping either medication, your healthcare provider should be aware you are taking both so they can monitor for potential effects and adjust treatment if necessary.
What To Tell Your Doctor or Pharmacist
If you are taking Cholestyramine Light and your doctor is considering prescribing Ezetimibe (or vice versa), make sure to:
- Inform your doctor and pharmacist of all current medications, including over-the-counter drugs and supplements
- Ask whether the benefits of combining these medications outweigh the risks for your specific situation
- Ask what symptoms to watch for that would indicate the interaction is causing problems
- Ask whether any dosage adjustments are needed
- Never stop or change either medication without first consulting your healthcare provider