Blood Pressure Home > Dilt-CD

Dilt-CD is a medication that is licensed for the treatment of high blood pressure and some types of chest pain. By relaxing the blood vessels, the drug can allow better blood flow and help lower blood pressure. Dilt-CD, which is available by prescription, comes in capsule form and is generally taken once a day. Potential side effects of Dilt-CD include headaches, weakness, and slow heart rate.

What Is Dilt-CD?

Dilt-CD® (diltiazem hydrochloride) is a prescription medication used to treat high blood pressure (hypertension) and certain types of chest pain (angina).
(Click Diltiazem Uses for more information on what Dilt-CD is used for, including possible off-label uses.)

Who Makes Dilt-CD?

Dilt-CD is made by Apotex Corporation.

How Does Dilt-CD Work?

Dilt-CD is part of a class of drugs called calcium channel blockers. Dilt-CD helps slow down the rate at which calcium moves into your heart and into the blood vessel walls. This, in turn, helps to relax the vessels, which allows better blood flow and helps to lower blood pressure. This also makes it easier for the heart to pump blood.
There are two basic types of calcium channel blockers: dihydropyridine and non-dihydropyridine. The most important difference between the two types is that non-dihydropyridine calcium channel blockers can slow the heart rate, while dihydropyridine calcium channel blockers do not. Dilt-CD is a non-dihydropyridine calcium channel blocker, meaning it can decrease the heart rate, making it useful for certain types of irregular heart rhythms (arrhythmias).
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Last reviewed by: Kristi Monson, PharmD;
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