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Drug interactions

Nevirapine + Ruxolitinib

Severity: Minor

Nevirapine and Ruxolitinib: minor 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

Ruxolitinib is a CYP3A4 substrate, and nevirapine as a CYP3A4 inducer would be expected to lower, not raise, its exposure. Reduced ruxolitinib exposure could weaken efficacy, though the effect is likely small.

What this interaction means in plain words

Nevirapine and Ruxolitinib have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Nevirapine belongs to Anti Virals; Ruxolitinib belongs to Oncology.

Evidence level: Low

Why it happens

Nevirapine induction of CYP3A4 may increase ruxolitinib clearance.

What to do

Monitor spleen size, symptoms and blood counts, and titrate ruxolitinib to response.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

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 Nevirapine with Ruxolitinib?

MediHelp rates the interaction as minor. Nevirapine and Ruxolitinib have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Ruxolitinib is a CYP3A4 substrate, and nevirapine as a CYP3A4 inducer would be expected to lower, not raise, its exposure. Reduced ruxolitinib exposure could weaken efficacy, though the effect is likely small.

How serious is the interaction between Nevirapine and Ruxolitinib?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor spleen size, symptoms and blood counts, and titrate ruxolitinib to response.

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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