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Drug interactions

Amlodipine + Voxelotor

Severity: Moderate

Amlodipine and Voxelotor: 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

Voxelotor can inhibit CYP3A4 and may increase amlodipine exposure. This may cause hypotension and edema.

What this interaction means in plain words

Amlodipine and Voxelotor 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 belongs to Cardiovascular; Voxelotor belongs to Miscellaneous.

Evidence level: Low

Why it happens

Voxelotor inhibits CYP3A4, reducing amlodipine metabolism.

What to do

Monitor blood pressure and consider reducing the amlodipine dose if adverse effects occur.

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 with Voxelotor?

MediHelp rates the interaction as moderate. Amlodipine and Voxelotor 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. Voxelotor can inhibit CYP3A4 and may increase amlodipine exposure. This may cause hypotension and edema.

How serious is the interaction between Amlodipine and Voxelotor?

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 consider reducing the amlodipine dose if adverse effects occur.

What other medicines interact with Amlodipine?

MediHelp also lists interactions of Amlodipine with, for example, Amifostine, Ombitasvir / paritaprevir / ritonavir and dasabuvir, Activated Charcoal. The full list is on the Amlodipine page.

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