Verapamil belongs to the group of medications known as calcium-channel blockers and is utilized to manage hypertension and chest pain or angina. Immediate-release tablets are also employed independently or in conjunction with other medications to prevent and treat irregular heartbeats. The medication functions by easing the blood vessels, minimizing the heart's workload, boosting blood and oxygen supply to the heart, and regulating the heart rate by slowing electrical activity in the heart.