Drug interactions
Labetalol + Succinylcholine
Severity: Minor
Labetalol 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
Beta-blockers can modestly reduce potassium uptake into cells, but the effect is small, and the rise in potassium after succinylcholine is not meaningfully increased in most patients. Hemodynamic effects at induction are of greater practical importance. Clinical significance is minimal.
What this interaction means in plain words
Labetalol 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.
Labetalol belongs to Cardiovascular; Succinylcholine belongs to Musculoskeletal.
Why it happens
Beta blockade slightly impairs cellular potassium uptake, which could marginally add to succinylcholine-induced hyperkalemia.
What to do
No routine change is needed. Monitor potassium in patients with renal impairment or other hyperkalemia risks.
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 Succinylcholine
Other interactions of Labetalol
- Amifostine + Labetalol Major
- Amiodarone + Labetalol Major
- Atenolol-chlorthalidone + Labetalol Major
- Atenolol + Labetalol Major
- Betaxolol + Labetalol Major
- Bisoprolol + Labetalol Major
Frequently asked questions
Can I take Labetalol with Succinylcholine?
MediHelp rates the interaction as minor. Labetalol 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. Beta-blockers can modestly reduce potassium uptake into cells, but the effect is small, and the rise in potassium after succinylcholine is not meaningfully increased in most patients. Hemodynamic effects at induction are of greater practical importance. Clinical significance is minimal.
How serious is the interaction between Labetalol 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: No routine change is needed. Monitor potassium in patients with renal impairment or other hyperkalemia risks.
What other medicines interact with Succinylcholine?
MediHelp also lists interactions of Succinylcholine with, for example, Amikacin, Bacitracin-neomycin-polymyxin, Capreomycin. The full list is on the Succinylcholine page.
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