Diltiazem is the name of the medication. It comes in the form of a capsule, and should be taken by mouth. It belongs to a class of medications called Calcium Channel Blocker.
This medication is usually used for reducing high blood pressure (also called hypertension). It can also be used to treat other conditions of the heart and blood vessels. Ask your physician why he or she gave you this medication.
Diltiazem belongs to a group of medications called Calcium Channel Blockers. It prevents calcium from entering the cells of the heart and blood vessels. It relaxes the blood vessels and make them wider. As a result, your blood pressure goes down and it helps your heart.
This medication comes as a capsule. You should put it in your mouth and swallow it with a glass of water. Do not chew, break or crush it. Swallow it whole.
Tell your physician if you become pregnant. There are not enough studies about this medication in pregnant women. Use the medication during pregnancy only if clearly needed.
Read more about Diltiazem 420mg on the FDA website.