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Drug interactions

Amlodipine-hydrochlorothiazide-valsartan + Lorlatinib

Severity: Moderate

Amlodipine-hydrochlorothiazide-valsartan and Lorlatinib: 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

Lorlatinib induces CYP3A4 and may lower amlodipine concentrations, reducing its blood pressure effect. Lorlatinib itself can also raise blood pressure.

What this interaction means in plain words

Amlodipine-hydrochlorothiazide-valsartan and Lorlatinib 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; Lorlatinib belongs to Oncology.

Evidence level: Moderate

Why it happens

Induction of CYP3A4 increases amlodipine metabolism.

What to do

Monitor blood pressure regularly and increase the amlodipine dose or add antihypertensive therapy if control is lost.

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 Lorlatinib?

MediHelp rates the interaction as moderate. Amlodipine-hydrochlorothiazide-valsartan and Lorlatinib 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. Lorlatinib induces CYP3A4 and may lower amlodipine concentrations, reducing its blood pressure effect. Lorlatinib itself can also raise blood pressure.

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

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 regularly and increase the amlodipine dose or add antihypertensive therapy if control is lost.

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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