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Drug interactions

Hydroxyprogesterone caproate + Nevirapine

Severity: Moderate

Hydroxyprogesterone caproate and Nevirapine: 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

Nevirapine may reduce hydroxyprogesterone concentrations and diminish its effect. The clinical impact is predicted rather than documented.

What this interaction means in plain words

Hydroxyprogesterone caproate and Nevirapine 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.

Evidence level: Low

Why it happens

Nevirapine induces CYP3A4, which metabolizes hydroxyprogesterone caproate.

What to do

Monitor for reduced therapeutic effect and consider an alternative if response is inadequate.

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 Hydroxyprogesterone caproate with Nevirapine?

MediHelp rates the interaction as moderate. Hydroxyprogesterone caproate and Nevirapine 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. Nevirapine may reduce hydroxyprogesterone concentrations and diminish its effect. The clinical impact is predicted rather than documented.

How serious is the interaction between Hydroxyprogesterone caproate and Nevirapine?

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 for reduced therapeutic effect and consider an alternative if response is inadequate.

What other medicines interact with Nevirapine?

MediHelp also lists interactions of Nevirapine with, for example, Elbasvir / grazoprevir, Ranolazine, St john's wort. The full list is on the Nevirapine page.

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