Does Acetazolamide Interact with Aspirin And Dipyridamole?
Acetazolamide and Aspirin And Dipyridamole have a major drug interaction according to U.S. FDA drug labeling data. Concurrent use of aspirin and acetazolamide can lead to high serum concentrations of acetazolamide and toxicity due to renal tubule secretion competition. The mechanism involves competition at renal tubule for secretion. 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
- Major
- Acetazolamide Class
- Carbonic Anhydrase Inhibitor
- Aspirin And Dipyridamole Class
- Nonsteroidal Anti-inflammatory Drug
- Management
- Close medical supervision required
- Data Source
- U.S. FDA via OpenFDA
How This Interaction Works
The interaction between Acetazolamide and Aspirin And Dipyridamole occurs because competition at renal tubule for secretion. Clinically, this means concurrent use of aspirin and acetazolamide can lead to high serum concentrations of acetazolamide and toxicity due to renal tubule secretion competition. This is classified as a major interaction, meaning it could cause serious harm if not properly managed. Your healthcare provider may need to adjust dosages, substitute one medication, or increase monitoring frequency.
What To Tell Your Doctor or Pharmacist
If you are taking Acetazolamide and your doctor is considering prescribing Aspirin And Dipyridamole (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 how frequently you should be monitored while these are co-prescribed
- Ask whether any dosage adjustments are needed
- Never stop or change either medication without first consulting your healthcare provider