Sotalol and Venlafaxine: Drug Interaction Guide

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

Interaction severity: Moderate — caution required

How Sotalol interacts with Venlafaxine

Sotalol prolongs cardiac repolarization by potassium channel blockade, and venlafaxine can also prolong QT interval in susceptible patients. Additive QT prolongation may increase torsades de pointes risk.

What you should do

Use cautiously, especially in patients with cardiac disease, renal impairment, or electrolyte abnormalities. Consider ECG and electrolyte monitoring.

Key facts

Severity

Moderate — caution required

Mechanism

Sotalol prolongs cardiac repolarization by potassium channel blockade, and venlafaxine can also prolong QT interval in s...

Action

Use cautiously, especially in patients with cardiac disease, renal impairment, or electrolyte abnormalities. Consider EC...

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 Sotalol and Venlafaxine together?

With caution. Use cautiously, especially in patients with cardiac disease, renal impairment, or electrolyte abnormalities. Consider ECG and electrolyte monitoring.

What is the severity of this interaction?

The interaction between Sotalol and Venlafaxine is classified as Moderate — caution required. Sotalol prolongs cardiac repolarization by potassium channel blockade, and venlafaxine can also prolong QT interval in susceptible patients. Additive QT prolongation may increase torsades de pointes risk.

What should I do if I'm prescribed both?

Use cautiously, especially in patients with cardiac disease, renal impairment, or electrolyte abnormalities. Consider ECG and electrolyte monitoring. Always consult your prescribing clinician — do not stop or change medications without medical guidance.

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