Does Nifedipine Interact with Ranitidine?
CDI records a minor classification for Nifedipine and Ranitidine. The stored summary is: Produces smaller, non-significant increases in nifedipine levels compared to cimetidine. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This record was extracted from drug labeling through openFDA. NIH/NLM RxNorm is used for drug identities. The summary and severity classification are CDI's processed information, not a verbatim source quotation. Product, route, and patient circumstances matter.
- Severity
- Minor
- Nifedipine Class
- Dihydropyridine Calcium Channel Blocker
- Ranitidine Class
- Histamine-2 Receptor Antagonist
- Management
- Generally manageable
- Data Source
- U.S. FDA via OpenFDA
What To Tell Your Doctor or Pharmacist
If you are taking Nifedipine and your doctor is considering prescribing Ranitidine (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
- Never stop or change either medication without first consulting your healthcare provider