Verapamil is known as a calcium-channel blocker because it works by affecting the way calcium passes into certain muscle cells. It is prescribed to treat a number of heart and blood vessel-related conditions. These are abnormal heart rhythms (arrhythmias), high blood pressure (hypertension), and angina chest pain.
This is a companion discussion topic for the original article at https://patient.info/medicine/verapamil-a-calcium-channel-blocker-securon-verapress