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Drug interactions

Amlodipine-benazepril + Fosaprepitant

Severity: Minor

Amlodipine-benazepril and Fosaprepitant: 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

Fosaprepitant is converted to aprepitant, which is a moderate CYP3A4 inhibitor, and amlodipine is a CYP3A4 substrate. Amlodipine exposure may rise modestly after a single short course, which could cause mild extra hypotension or peripheral edema.

What this interaction means in plain words

Amlodipine-benazepril and Fosaprepitant have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Amlodipine-benazepril belongs to Cardiovascular; Fosaprepitant belongs to Gastrointestinal Tract.

Evidence level: Low

Why it happens

Aprepitant, the active form of fosaprepitant, inhibits CYP3A4 and reduces amlodipine clearance.

What to do

No routine dose change is needed with a single dose of fosaprepitant. Check blood pressure and watch for dizziness during the days after administration.

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 Amlodipine-benazepril with Fosaprepitant?

MediHelp rates the interaction as minor. Amlodipine-benazepril and Fosaprepitant have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Fosaprepitant is converted to aprepitant, which is a moderate CYP3A4 inhibitor, and amlodipine is a CYP3A4 substrate. Amlodipine exposure may rise modestly after a single short course, which could cause mild extra hypotension or peripheral edema.

How serious is the interaction between Amlodipine-benazepril and Fosaprepitant?

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 dose change is needed with a single dose of fosaprepitant. Check blood pressure and watch for dizziness during the days after administration.

What other medicines interact with Amlodipine-benazepril?

MediHelp also lists interactions of Amlodipine-benazepril with, for example, Aliskiren, Sacubitril / valsartan, Aldesleukin. The full list is on the Amlodipine-benazepril page.

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