what is diltiazem used for
a diltiazem cardizem is a calcium channel blocker used to treat hypertension high blood pressure angina chest pain and some forms of irregular heart rhythms according to the prescribing information for cardizem the brand name of diltiazem hyperglycemia increased blood sugar is a reported side effectiltiazem works by relaxing blood vessels and increasing the supply of blood and oxygen to the heart this type of medication is known as a calcium channel blocker diltiazem comes in a tablet extended release tablet extended release capsule and injectable form