Drug reference
esmolol
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.
Drug class
Cardiovascular (Beta Blockers)
Mechanism of action
Class II antiarrhythmic; selective beta1-blocker with little or no effect on beta2 receptors except at high doses. It does not have intrinsic sympathomimetic activity
Common side effects
- Injection site pain
- Agitation
- Dizziness
- Somnolence
- Nausea
- Hypotension
Contraindications
- Hypersensitivity Sinus bradycardia, 2°/3° heart block, cardiogenic shock, overt cardiac failure Asthma/COPD Sick sinus syndrome without permanent pacemaker
Related conditions
Frequently asked questions
What drug class is esmolol?
esmolol belongs to: Cardiovascular.
How does esmolol work?
Class II antiarrhythmic; selective beta1-blocker with little or no effect on beta2 receptors except at high doses. It does not have intrinsic sympathomimetic activity
What are the common side effects of esmolol?
Injection site pain, Agitation, Dizziness, Somnolence, Nausea, Hypotension
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