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Drug interactions

Loperamide + Lovastatin

Severity: Minor

Loperamide and Lovastatin: 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

Lovastatin is a weak P-glycoprotein inhibitor in vitro, and any rise in loperamide exposure would be small. Clinical significance is unlikely at normal doses.

What this interaction means in plain words

Loperamide and Lovastatin 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; Lovastatin belongs to Cardiovascular.

Evidence level: Low

Why it happens

Possible weak inhibition of P-glycoprotein efflux of loperamide.

What to do

No routine action is needed beyond using loperamide at labeled doses. Be alert for excess constipation or CNS effects if high loperamide doses are used.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Loperamide with Lovastatin?

MediHelp rates the interaction as minor. Loperamide and Lovastatin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Lovastatin is a weak P-glycoprotein inhibitor in vitro, and any rise in loperamide exposure would be small. Clinical significance is unlikely at normal doses.

How serious is the interaction between Loperamide and Lovastatin?

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 routine action is needed beyond using loperamide at labeled doses. Be alert for excess constipation or CNS effects if high loperamide doses are used.

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

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