Skip to content

Drug interactions

Amlodipine-hydrochlorothiazide-valsartan + Fosaprepitant

Severity: Minor

Amlodipine-hydrochlorothiazide-valsartan 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, a moderate CYP3A4 inhibitor, which may modestly raise amlodipine levels after a single dose. The effect is usually small and short-lived.

What this interaction means in plain words

Amlodipine-hydrochlorothiazide-valsartan 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-hydrochlorothiazide-valsartan belongs to Cardiovascular; Fosaprepitant belongs to Gastrointestinal Tract.

Evidence level: Low

Why it happens

Temporary inhibition of CYP3A4-mediated amlodipine metabolism by aprepitant.

What to do

No dose change is generally needed; monitor for hypotension or edema around the time of 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.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Amlodipine-hydrochlorothiazide-valsartan and Fosaprepitant, 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.

Frequently asked questions

Can I take Amlodipine-hydrochlorothiazide-valsartan with Fosaprepitant?

MediHelp rates the interaction as minor. Amlodipine-hydrochlorothiazide-valsartan 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, a moderate CYP3A4 inhibitor, which may modestly raise amlodipine levels after a single dose. The effect is usually small and short-lived.

How serious is the interaction between Amlodipine-hydrochlorothiazide-valsartan 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 dose change is generally needed; monitor for hypotension or edema around the time of administration.

What other medicines interact with Amlodipine-hydrochlorothiazide-valsartan?

MediHelp also lists interactions of Amlodipine-hydrochlorothiazide-valsartan with, for example, Aliskiren, Dofetilide, Sparsentan. The full list is on the Amlodipine-hydrochlorothiazide-valsartan 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.

Browse A–Z · Drug interactions

Get the app Sign in