Does Cholestyramine Light Interact with Ursosiol?
Cholestyramine Light and Ursosiol have a moderate drug interaction according to U.S. FDA drug labeling data. Bile acid sequestering agent may interfere with ursodiol absorption and reduce its effectiveness. The mechanism involves reduces ursodiol absorption by sequestering bile acids. 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
- Management
- Monitor for effects
- Data Source
- U.S. FDA via OpenFDA
How This Interaction Works
The interaction between Cholestyramine Light and Ursosiol occurs because reduces ursodiol absorption by sequestering bile acids. Clinically, this means bile acid sequestering agent may interfere with ursodiol absorption and reduce its effectiveness. 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 Ursosiol (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