verapamil in brief
verapamil is a drug that belong to the group of drugs called Calcium channel blockers. this drug can reduce the amount of calcium which enters into muscle cells. calcium triggers contraction of muscles. so, by blocking entry of calcium into the muscle cells, this drug is capable of reducing contraction of muscle and by doing it relaxing muscles including artery muscles. as a result, arteries become larger and more blood flows through arteries. That is why verapamil is useful drug in treating and preventing angina or chest pain caused by spasm or contractions of coronary arteries that reduces the blood flow to the heart muscle. By relaxing muscles and arteries, verapamil also can reduces the blood pressure. thereby it also reduces the workload of the heart. heart become more relaxed and only need less amount of oxygenated blood to work. As a result, the heart will be able to work with less flow of blood caused by coronary artery diseases and prevent angina. (angina is caused by in...