Lithium and Sertraline: Drug Interaction Guide

Quick answer: This combination requires caution. Lithium and Sertraline can be used together with adjustments and monitoring.

How Lithium interacts with Sertraline

Lithium and sertraline have additive serotonergic and central nervous system effects, increasing risk of serotonin toxicity and neurotoxicity.

What you should do

Use with caution and monitor for tremor, confusion, hyperreflexia, fever, or agitation. Review therapy if symptoms develop.

Key facts

Severity

Moderate — caution required

Mechanism

Lithium and sertraline have additive serotonergic and central nervous system effects, increasing risk of serotonin toxic...

Action

Use with caution and monitor for tremor, confusion, hyperreflexia, fever, or agitation. Review therapy if symptoms devel...

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 Lithium and Sertraline together?

With caution. Use with caution and monitor for tremor, confusion, hyperreflexia, fever, or agitation. Review therapy if symptoms develop.

What is the severity of this interaction?

The interaction between Lithium and Sertraline is classified as Moderate — caution required. Lithium and sertraline have additive serotonergic and central nervous system effects, increasing risk of serotonin toxicity and neurotoxicity.

What should I do if I'm prescribed both?

Use with caution and monitor for tremor, confusion, hyperreflexia, fever, or agitation. Review therapy if symptoms develop. Always consult your prescribing clinician — do not stop or change medications without medical guidance.

Last reviewed: June 05, 2026 by iMedic Medical Editorial Team. Our editorial process.