Does Sulindac Interact with Acetylsalicylic Acid?
Sulindac and Acetylsalicylic Acid have a moderate drug interaction according to U.S. FDA drug labeling data. Aspirin significantly depressed plasma levels of active sulfide metabolite and increased incidence of gastrointestinal adverse experiences; combination not recommended. The mechanism involves decreased plasma levels of active metabolite. 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
- Sulindac Class
- Nonsteroidal Anti-inflammatory Drug
- Management
- Monitor for effects
- Data Source
- U.S. FDA via OpenFDA
How This Interaction Works
The interaction between Sulindac and Acetylsalicylic Acid occurs because decreased plasma levels of active metabolite. Clinically, this means aspirin significantly depressed plasma levels of active sulfide metabolite and increased incidence of gastrointestinal adverse experiences; combination not recommended. 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 Sulindac and your doctor is considering prescribing Acetylsalicylic Acid (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