Sevoflurane and Succinylcholine: Drug Interaction Guide

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

Interaction severity: Major — avoid combination

How Sevoflurane interacts with Succinylcholine

Volatile anaesthetics together with depolarising neuromuscular blockers can trigger malignant hyperthermia in genetically susceptible patients (RYR1/CACNA1S variants).

What you should do

Avoid both agents in patients with personal or family history of malignant hyperthermia; ensure dantrolene is available wherever this combination is used.

Key facts

Severity

Major — avoid combination

Mechanism

Volatile anaesthetics together with depolarising neuromuscular blockers can trigger malignant hyperthermia in geneticall...

Action

Avoid both agents in patients with personal or family history of malignant hyperthermia; ensure dantrolene is available ...

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 Sevoflurane and Succinylcholine together?

No — this combination should generally be avoided. Avoid both agents in patients with personal or family history of malignant hyperthermia; ensure dantrolene is available wherever this combination is used.

What is the severity of this interaction?

The interaction between Sevoflurane and Succinylcholine is classified as Major — avoid combination. Volatile anaesthetics together with depolarising neuromuscular blockers can trigger malignant hyperthermia in genetically susceptible patients (RYR1/CACNA1S variants).

What should I do if I'm prescribed both?

Avoid both agents in patients with personal or family history of malignant hyperthermia; ensure dantrolene is available wherever this combination is used. Always consult your prescribing clinician — do not stop or change medications without medical guidance.

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