Fluoxetine and Moclobemide: Drug Interaction Guide

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

Interaction severity: Major — avoid combination

How Fluoxetine interacts with Moclobemide

Fluoxetine increases synaptic serotonin through serotonin-transporter inhibition, while moclobemide inhibits monoamine oxidase A, creating a high risk of serotonin syndrome.

What you should do

Do not coadminister. Observe the required washout period, including at least five weeks after stopping fluoxetine before starting moclobemide.

Key facts

Severity

Major — avoid combination

Mechanism

Fluoxetine increases synaptic serotonin through serotonin-transporter inhibition, while moclobemide inhibits monoamine o...

Action

Do not coadminister. Observe the required washout period, including at least five weeks after stopping fluoxetine before...

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 Moclobemide together?

No — this combination should generally be avoided. Do not coadminister. Observe the required washout period, including at least five weeks after stopping fluoxetine before starting moclobemide.

What is the severity of this interaction?

The interaction between Fluoxetine and Moclobemide is classified as Major — avoid combination. Fluoxetine increases synaptic serotonin through serotonin-transporter inhibition, while moclobemide inhibits monoamine oxidase A, creating a high risk of serotonin syndrome.

What should I do if I'm prescribed both?

Do not coadminister. Observe the required washout period, including at least five weeks after stopping fluoxetine before starting moclobemide. Always consult your prescribing clinician — do not stop or change medications without medical guidance.

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