Drug interactions
Loperamide + Nifedipine
Severity: Minor
Loperamide and Nifedipine: minor interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Nifedipine is not a meaningful modulator of loperamide disposition, and the suggested reduction in loperamide effect is not established. No clinically relevant interaction is expected.
What this interaction means in plain words
Loperamide and Nifedipine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Loperamide belongs to Gastrointestinal Tract; Nifedipine belongs to Cardiovascular.
Why it happens
Mechanism not established; a minor P-glycoprotein effect is theoretical.
What to do
No specific action is required. Monitor the diarrhea response as usual.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Loperamide and Nifedipine, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Loperamide
Other interactions of Nifedipine
Frequently asked questions
Can I take Loperamide with Nifedipine?
MediHelp rates the interaction as minor. Loperamide and Nifedipine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Nifedipine is not a meaningful modulator of loperamide disposition, and the suggested reduction in loperamide effect is not established. No clinically relevant interaction is expected.
How serious is the interaction between Loperamide and Nifedipine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No specific action is required. Monitor the diarrhea response as usual.
What other medicines interact with Loperamide?
MediHelp also lists interactions of Loperamide with, for example, Amiodarone, Amisulpride, Anagrelide. The full list is on the Loperamide page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
