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Drug interactions

Lopinavir + Nifedipine

Severity: Moderate

Lopinavir and Nifedipine: 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

Lopinavir boosted with ritonavir inhibits CYP3A4 and can raise nifedipine levels, causing hypotension, flushing and edema. The reverse effect of nifedipine on lopinavir is not clinically important.

What this interaction means in plain words

Lopinavir and Nifedipine 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.

Lopinavir belongs to Anti Virals; Nifedipine belongs to Cardiovascular.

Evidence level: Moderate

Why it happens

Ritonavir-boosted lopinavir inhibits CYP3A4, decreasing nifedipine metabolism.

What to do

Begin nifedipine at a low dose and titrate with blood pressure and heart rate monitoring.

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 Lopinavir with Nifedipine?

MediHelp rates the interaction as moderate. Lopinavir and Nifedipine 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. Lopinavir boosted with ritonavir inhibits CYP3A4 and can raise nifedipine levels, causing hypotension, flushing and edema. The reverse effect of nifedipine on lopinavir is not clinically important.

How serious is the interaction between Lopinavir and Nifedipine?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Begin nifedipine at a low dose and titrate with blood pressure and heart rate monitoring.

What other medicines interact with Nifedipine?

MediHelp also lists interactions of Nifedipine with, for example, Amifostine, Amlodipine-benazepril, Apalutamide. The full list is on the Nifedipine page.

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