Esmolol Injection 10 mg/mL

📌 Medicine Name:

Esmolol Injection 10 mg/mL
(Generic Name: Esmolol Hydrochloride)

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📋 Description / Prescription:

• Form: Sterile injectable solution
• Strength: 10 mg per mL
• Route: Intravenous (IV) use only
• Prescription Status: ✅ Prescription-only medicine
• Class: Ultra-short-acting selective β₁-blocker

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💉 Indications / Uses:

Used in acute clinical settings for:

• Supraventricular tachycardia (SVT)
• Rapid control of ventricular rate in atrial fibrillation or flutter
• Perioperative tachycardia and hypertension
• Management of hypertensive emergencies
• Short-term control of heart rate in unstable angina or myocardial infarction

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🔬 Nature / Mechanism of Action:

• Selectively blocks beta-1 adrenergic receptors (mainly in the heart)
• Reduces heart rate, contractility, and cardiac output
• Very rapid onset (within 1–2 minutes)
• Short half-life (~9 minutes) allows easy titration and quick withdrawal
• Rapid metabolism by red blood cell esterases

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✅ Advantages / Benefits:

• ✅ Precise, rapid control of heart rate and blood pressure
• ✅ Short duration reduces risk of prolonged adverse effects
• ✅ Useful in critically ill or surgical patients
• ✅ Can be easily stopped if hypotension or bradycardia occurs
• ✅ Does not significantly affect beta-2 receptors (less bronchoconstriction)

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📦 Packaging:

• Supplied in:
  • Ampoules, vials, or pre-filled syringes
  • Common pack sizes: 10 mL, 20 mL, 100 mL
• Concentration: 10 mg/mL (can also be diluted to 2.5 mg/mL or 5 mg/mL for infusion)
• Often labeled as ready-to-use or concentrate for dilution

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🌡️ Storage Instructions:

• Store at 15°C to 25°C (59°F–77°F)
• Protect from light and freezing
• Use aseptically; discard unused portion
• Once opened or diluted, use within recommended time

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⚠️ Precautions / Contraindications:

❌ Contraindications:

• Severe bradycardia
• Heart block greater than first degree (without pacemaker)
• Cardiogenic shock
• Decompensated heart failure
• Hypersensitivity to esmolol or beta-blockers

⚠️ Caution in:

• Bronchospastic disease (e.g., asthma)
• Diabetes mellitus – masks hypoglycemia symptoms
• Renal impairment – not significantly eliminated via kidneys, but still monitor
• Concurrent use of calcium channel blockers or digoxin

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👩‍⚕️ Patient Advice :

• Explain that the drug is to control fast heart rate or high BP quickly
• Inform about possible symptoms like dizziness, fatigue, or cold hands
• Advise patient to report chest pain, excessive tiredness, or shortness of breath
• Inform that effects will wear off quickly once stopped

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