MedicinehospitalEssential

Esmolol

Fast-acting beta blocker infusion for short-term control of rapid heart rate.

Clinical information

Common uses

fast heart rhythms (atrial fibrillation, atrial flutter, sinus tachycardia)
fast heart rate and high blood pressure around surgery

Common side effects

low blood pressure
sweating
dizziness

Cautions

can cause low blood pressure, slow heart rate or heart failure
may worsen asthma or reactive airway disease
can mask low blood sugar symptoms in diabetes
not with severe slow heart rate, heart block or cardiogenic shock

Interactions

IV verapamil-type calcium blockers (fatal cardiac arrests reported)
digoxin (slow heart rate risk)
clonidine-type blood pressure drugs (rebound hypertension on stopping)
adrenaline-type stimulant drugs (avoid)
succinylcholine or mivacurium (prolonged muscle blockade)

Pregnancy: only if the benefit justifies the risk

Reference information, not medical advice — always follow your doctor or pharmacist. Source: DailyMed, dailymed.nlm.nih.gov, esmolol hydrochloride injection label, setid 01ad7942-99c3-40ee-9cfb-272fb6c44e2b (accessed 2026-08-16)

Approved brands & formulations1

Brand name	Dosage form	Strength	Importer	Category
Esmolol	Parenteral ( Injection )	10mg/ml	MFDA designated importers with Pre Authorization approval before import	hospital