Verapamil

Last Updated on August 19, 2026

Introduction

• A non-dihydropyridine / rate-limiting calcium channel blocker
• Negative inotropic effect

Indications

• Supraventricular tachycardia
• Hypertension

Doses

Hypertension

• T Verapamil 80 mg TDS – 160 mg TDS

Supraventricular tachycardia

• IV Verapamil 2.5 mg – 5 mg slow bolus

Contraindications

• Ventricular tachycardia
• Avoided in atrial fibrillation with underlying heart failure, as it has negative inotropic effect

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