Drug interactions
Alvimopan + Atorvastatin
Severity: Minor
Alvimopan and Atorvastatin: 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
Atorvastatin is a weak P-glycoprotein substrate and inhibitor, and alvimopan is a P-gp substrate. Any increase in alvimopan exposure is expected to be small and of uncertain clinical importance.
What this interaction means in plain words
Alvimopan and Atorvastatin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Possible weak inhibition of P-glycoprotein efflux of alvimopan by atorvastatin.
What to do
No dose change is needed; monitor for the usual alvimopan adverse effects such as abdominal discomfort or diarrhea.
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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Frequently asked questions
Can I take Alvimopan with Atorvastatin?
MediHelp rates the interaction as minor. Alvimopan and Atorvastatin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Atorvastatin is a weak P-glycoprotein substrate and inhibitor, and alvimopan is a P-gp substrate. Any increase in alvimopan exposure is expected to be small and of uncertain clinical importance.
How serious is the interaction between Alvimopan and Atorvastatin?
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 dose change is needed; monitor for the usual alvimopan adverse effects such as abdominal discomfort or diarrhea.
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