iMedic.health

Linezolid and Venlafaxine: Drug Interaction Guide

Quick answer: This is a major interaction — avoid combining Linezolid and Venlafaxine unless specifically directed by your doctor.

Interaction severity: Major — avoid combination

How Linezolid interacts with Venlafaxine

Linezolid is a reversible MAO inhibitor; combined with serotonergic SNRIs it can precipitate serotonin syndrome (agitation, hyperthermia, clonus, autonomic instability).

What you should do

Avoid combination. If linezolid is essential, withhold venlafaxine for at least 24 hours before and 2 weeks after linezolid course (5 weeks for fluoxetine).

Key facts

Severity

Major — avoid combination

Mechanism

Linezolid is a reversible MAO inhibitor; combined with serotonergic SNRIs it can precipitate serotonin syndrome (agitati...

Action

Avoid combination. If linezolid is essential, withhold venlafaxine for at least 24 hours before and 2 weeks after linezo...

Important medical disclaimer: This page provides educational information about drug interactions for general reference. It is not a substitute for professional medical advice, diagnosis, or treatment. Always discuss your specific medications with a qualified healthcare provider before starting, stopping, or changing any treatment. About our editorial team.

Frequently asked questions

Can I take Linezolid and Venlafaxine together?

No — this combination should generally be avoided. Avoid combination. If linezolid is essential, withhold venlafaxine for at least 24 hours before and 2 weeks after linezolid course (5 weeks for fluoxetine).

What is the severity of this interaction?

The interaction between Linezolid and Venlafaxine is classified as Major — avoid combination. Linezolid is a reversible MAO inhibitor; combined with serotonergic SNRIs it can precipitate serotonin syndrome (agitation, hyperthermia, clonus, autonomic instability).

What should I do if I'm prescribed both?

Avoid combination. If linezolid is essential, withhold venlafaxine for at least 24 hours before and 2 weeks after linezolid course (5 weeks for fluoxetine). Always consult your prescribing clinician — do not stop or change medications without medical guidance.

Last reviewed: by iMedic Medical Editorial Team. Our editorial process.