Drug interactions
Loperamide + Stiripentol
Severity: Minor
Loperamide and Stiripentol: 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
Stiripentol may inhibit P-glycoprotein and CYP enzymes involved in loperamide handling, increasing loperamide exposure. This could enhance constipation, CNS effects and cardiac effects, although the clinical significance at usual doses is likely small.
What this interaction means in plain words
Loperamide and Stiripentol 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; Stiripentol belongs to Central Nervous System.
Why it happens
Stiripentol inhibits P-glycoprotein efflux (and possibly CYP-mediated metabolism) of loperamide, increasing its exposure.
What to do
Keep loperamide at the lowest effective dose and avoid exceeding labeled maximums. Reduce the dose if adverse effects such as constipation, drowsiness or palpitations occur.
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?
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Other interactions of Loperamide
Other interactions of Stiripentol
Frequently asked questions
Can I take Loperamide with Stiripentol?
MediHelp rates the interaction as minor. Loperamide and Stiripentol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Stiripentol may inhibit P-glycoprotein and CYP enzymes involved in loperamide handling, increasing loperamide exposure. This could enhance constipation, CNS effects and cardiac effects, although the clinical significance at usual doses is likely small.
How serious is the interaction between Loperamide and Stiripentol?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Keep loperamide at the lowest effective dose and avoid exceeding labeled maximums. Reduce the dose if adverse effects such as constipation, drowsiness or palpitations occur.
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.
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