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Drug interactions

Nevirapine + Trazodone

Severity: Moderate

Nevirapine and Trazodone: 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 trazodone concentrations, potentially lessening antidepressant or hypnotic effect. Active metabolite formation may also change.

What this interaction means in plain words

Nevirapine and Trazodone 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 belongs to Anti Virals; Trazodone belongs to Central Nervous System.

Evidence level: Low

Why it happens

Nevirapine induces CYP3A4, the main enzyme that metabolizes trazodone.

What to do

Monitor clinical response and increase the trazodone dose if needed. Reduce the dose again if nevirapine is discontinued.

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 Nevirapine with Trazodone?

MediHelp rates the interaction as moderate. Nevirapine and Trazodone 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 trazodone concentrations, potentially lessening antidepressant or hypnotic effect. Active metabolite formation may also change.

How serious is the interaction between Nevirapine and Trazodone?

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 clinical response and increase the trazodone dose if needed. Reduce the dose again if nevirapine is discontinued.

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.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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