Does Tenapanor Hydrochloride Interact with Enalapril?
CDI records a moderate classification for Tenapanor Hydrochloride and Enalapril. The stored summary is: Tenapanor inhibits OATP2B1 transporter, reducing enalapril peak exposure by ~70% and systemic exposure by 50-65%. Monitor blood pressure and adjust enalapril dosage as needed. The mechanism involves inhibition of intestinal oatp2b1 transporter-mediated uptake. 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
- Moderate
- Management
- Monitor for effects
- Data Source
- U.S. FDA via OpenFDA
Recorded Mechanism
Inhibition of intestinal OATP2B1 transporter-mediated uptake
What To Tell Your Doctor or Pharmacist
If you are taking Tenapanor Hydrochloride and your doctor is considering prescribing Enalapril (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