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Drug interactions

Amlodipine-hydrochlorothiazide-valsartan + Apalutamide

Severity: Moderate

Amlodipine-hydrochlorothiazide-valsartan and Apalutamide: 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

Apalutamide is a strong CYP3A4 inducer and can lower amlodipine exposure, reducing its antihypertensive effect. Blood pressure control may be lost.

What this interaction means in plain words

Amlodipine-hydrochlorothiazide-valsartan and Apalutamide 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; Apalutamide belongs to Endocrine.

Evidence level: Moderate

Why it happens

Apalutamide induces CYP3A4, increasing the metabolism of amlodipine.

What to do

Monitor blood pressure after starting or stopping apalutamide and adjust the antihypertensive regimen as needed. Consider an alternative not metabolized by CYP3A4 if control is poor.

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?

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-hydrochlorothiazide-valsartan with Apalutamide?

MediHelp rates the interaction as moderate. Amlodipine-hydrochlorothiazide-valsartan and Apalutamide 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. Apalutamide is a strong CYP3A4 inducer and can lower amlodipine exposure, reducing its antihypertensive effect. Blood pressure control may be lost.

How serious is the interaction between Amlodipine-hydrochlorothiazide-valsartan and Apalutamide?

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 after starting or stopping apalutamide and adjust the antihypertensive regimen as needed. Consider an alternative not metabolized by CYP3A4 if control is poor.

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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