Does Gemfibrozil Interact with Repaglinide?
Gemfibrozil and Repaglinide have a contraindicated drug interaction according to U.S. FDA drug labeling data. Gemfibrozil significantly increased repaglinide exposures by 8.1 fold. Do not administer repaglinide to patients receiving gemfibrozil. The mechanism involves cyp2c8 inhibition. 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
- Contraindicated
- Gemfibrozil Class
- Peroxisome Proliferator Receptor alpha Agonist
- Repaglinide Class
- Glinide
- Management
- Do not take together
- Data Source
- U.S. FDA via OpenFDA
How This Interaction Works
The interaction between Gemfibrozil and Repaglinide occurs because cyp2c8 inhibition. Clinically, this means gemfibrozil significantly increased repaglinide exposures by 8.1 fold. do not administer repaglinide to patients receiving gemfibrozil. Because of the severity of this interaction, these medications are contraindicated — meaning they should not be taken together under any circumstances. If you are currently taking both, contact your healthcare provider immediately to discuss alternatives.
What To Tell Your Doctor or Pharmacist
If you are taking Gemfibrozil and your doctor is considering prescribing Repaglinide (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 about alternative medications that do not interact with your current regimen
- Ask how frequently you should be monitored while these are co-prescribed
- Never stop or change either medication without first consulting your healthcare provider