Drug interactions
Amlodipine-hydrochlorothiazide-valsartan + Darunavir
Severity: Moderate
Amlodipine-hydrochlorothiazide-valsartan and Darunavir: moderate 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
Darunavir, usually boosted with ritonavir or cobicistat, inhibits CYP3A4 and can raise amlodipine concentrations, causing hypotension and edema.
What this interaction means in plain words
Amlodipine-hydrochlorothiazide-valsartan and Darunavir can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Amlodipine-hydrochlorothiazide-valsartan belongs to Cardiovascular; Darunavir belongs to Anti Virals.
Why it happens
Inhibition of CYP3A4-mediated amlodipine metabolism.
What to do
Monitor blood pressure and edema and reduce the amlodipine dose if needed.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Amlodipine-hydrochlorothiazide-valsartan
- Aliskiren + Amlodipine-hydrochlorothiazide-valsartan Contraindicated
- Amlodipine-hydrochlorothiazide-valsartan + Dofetilide Contraindicated
- Amlodipine-hydrochlorothiazide-valsartan + Sparsentan Contraindicated
- Aceclofenac + Amlodipine-hydrochlorothiazide-valsartan Major
- Aldesleukin + Amlodipine-hydrochlorothiazide-valsartan Major
- Amifostine + Amlodipine-hydrochlorothiazide-valsartan Major
Other interactions of Darunavir
- Alfuzosin + Darunavir Contraindicated
- Avanafil + Darunavir Contraindicated
- Darunavir + Dronedarone Contraindicated
- Darunavir + Eletriptan Contraindicated
- Darunavir + Ergotamine Contraindicated
- Darunavir + Flibanserin Contraindicated
Frequently asked questions
Can I take Amlodipine-hydrochlorothiazide-valsartan with Darunavir?
MediHelp rates the interaction as moderate. Amlodipine-hydrochlorothiazide-valsartan and Darunavir can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Darunavir, usually boosted with ritonavir or cobicistat, inhibits CYP3A4 and can raise amlodipine concentrations, causing hypotension and edema.
How serious is the interaction between Amlodipine-hydrochlorothiazide-valsartan and Darunavir?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood pressure and edema and reduce the amlodipine dose if needed.
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.
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