Diltiazem HCL

Diltiazem hydrochloride (HCl) is the active ingredient in a variety of prescription medications used to
 treat high blood pressure (hypertension) and certain types of chest pain (angina). These medications include but are not limited to:
 
This medicine is a type of calcium channel blocker. It works by relaxing the blood vessels, which improves blood flow and makes it easier for the heart to pump blood. Diltiazem comes in the form of a capsule or tablet, and is taken one to four times daily, depending on the particular product being used. As with any medication, side effects are possible, such as dizziness, swelling, and headaches.
 
(To read more about this drug, including why it may not be suitable for certain people, click Diltiazem.)
 
Written by/reviewed by: Arthur Schoenstadt, MD
Last reviewed by: Arthur Schoenstadt, MD
 
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