Drug interactions
Diazepam + Succinylcholine
Severity: Minor
Diazepam and Succinylcholine: minor interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Benzodiazepines have central muscle-relaxant effects and may modestly reduce the dose of neuromuscular blockers needed, although some reports describe altered onset. Clinically the effect is small and unpredictable during anesthesia.
What this interaction means in plain words
Diazepam and Succinylcholine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Diazepam belongs to Musculoskeletal; Succinylcholine belongs to Musculoskeletal.
Why it happens
Diazepam produces central muscle relaxation and may modestly alter neuromuscular transmission, with no well-established antagonism of depolarizing blockade.
What to do
Titrate succinylcholine to effect and monitor neuromuscular function with a nerve stimulator during anesthesia.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Diazepam
Other interactions of Succinylcholine
Frequently asked questions
Can I take Diazepam with Succinylcholine?
MediHelp rates the interaction as minor. Diazepam and Succinylcholine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Benzodiazepines have central muscle-relaxant effects and may modestly reduce the dose of neuromuscular blockers needed, although some reports describe altered onset. Clinically the effect is small and unpredictable during anesthesia.
How serious is the interaction between Diazepam and Succinylcholine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Titrate succinylcholine to effect and monitor neuromuscular function with a nerve stimulator during anesthesia.
What other medicines interact with Diazepam?
MediHelp also lists interactions of Diazepam with, for example, Calcium / magnesium / potassium / sodium oxybates, Alfentanil, Alprazolam. The full list is on the Diazepam page.
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