Drug interactions
Nefazodone + Sertraline
Severity: Major
Nefazodone and Sertraline: major 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
Both drugs increase serotonergic activity, so combining them raises the risk of serotonin syndrome. Nefazodone also strongly inhibits CYP3A4 and may modestly raise sertraline exposure.
What this interaction means in plain words
Nefazodone and Sertraline can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Additive serotonergic effects with CYP3A4 inhibition by nefazodone.
What to do
Avoid combining where possible; if a switch is needed, taper one agent and allow adequate washout. Monitor for serotonin toxicity if overlap is unavoidable.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Sertraline
- Isocarboxazid + Sertraline Contraindicated
- Methylene blue + Sertraline Contraindicated
- Phenelzine + Sertraline Contraindicated
- Pimozide + Sertraline Contraindicated
- Selegiline transdermal + Sertraline Contraindicated
- Selegiline + Sertraline Contraindicated
Frequently asked questions
Can I take Nefazodone with Sertraline?
MediHelp rates the interaction as major. Nefazodone and Sertraline can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Both drugs increase serotonergic activity, so combining them raises the risk of serotonin syndrome. Nefazodone also strongly inhibits CYP3A4 and may modestly raise sertraline exposure.
How serious is the interaction between Nefazodone and Sertraline?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid combining where possible; if a switch is needed, taper one agent and allow adequate washout. Monitor for serotonin toxicity if overlap is unavoidable.
What other medicines interact with Sertraline?
MediHelp also lists interactions of Sertraline with, for example, Isocarboxazid, Methylene blue, Phenelzine. The full list is on the Sertraline page.
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