Fluoxetine and Tramadol: Drug Interaction Guide

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

Interaction severity: Major — avoid combination

How Fluoxetine interacts with Tramadol

Combined serotonergic activity (SSRI plus tramadol's serotonin reuptake inhibition) increases the risk of serotonin syndrome; fluoxetine also inhibits CYP2D6, reducing analgesic conversion.

What you should do

Avoid combination where possible; if unavoidable use lowest tramadol dose and monitor for agitation, hyperreflexia, hyperthermia, clonus.

Key facts

Severity

Major — avoid combination

Mechanism

Combined serotonergic activity (SSRI plus tramadol's serotonin reuptake inhibition) increases the risk of serotonin synd...

Action

Avoid combination where possible; if unavoidable use lowest tramadol dose and monitor for agitation, hyperreflexia, hype...

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 Fluoxetine and Tramadol together?

No — this combination should generally be avoided. Avoid combination where possible; if unavoidable use lowest tramadol dose and monitor for agitation, hyperreflexia, hyperthermia, clonus.

What is the severity of this interaction?

The interaction between Fluoxetine and Tramadol is classified as Major — avoid combination. Combined serotonergic activity (SSRI plus tramadol's serotonin reuptake inhibition) increases the risk of serotonin syndrome; fluoxetine also inhibits CYP2D6, reducing analgesic conversion.

What should I do if I'm prescribed both?

Avoid combination where possible; if unavoidable use lowest tramadol dose and monitor for agitation, hyperreflexia, hyperthermia, clonus. Always consult your prescribing clinician — do not stop or change medications without medical guidance.

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