verapamil

drug

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Last updated

July 14, 2026

Quick Summary

Verapamil is a medication classified as a calcium channel blocker. This type of drug works by preventing or slowing the entry of calcium ions into smooth muscle cells.12

Verapamil is primarily used to treat certain types of angina pectoris (chest pain) and some cardiac arrhythmias (irregular heartbeats). The drug's chemical formula is C₂₇H₃₈N₂O₄, and it is often administered in the form of its hydrochloride. Verapamil was first used in 1967.21

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cardiovascular drug
Heart rate
Verapamil and diltiazem are important examples of this class of drugs. They reduce the influx of calcium ions through the cell membrane, which normally occurs when the cell is depolarized. This movement of calcium ions across the membrane appears to be important in the genesis…
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Verapamil and diltiazem are important examples of this class of drugs. They reduce the influx of calcium ions through the cell membrane, which normally occurs when the cell is depolarized. This movement of calcium ions across the membrane appears to be important in the genesis…
Read More