GENERIC NAME: DILTIAZEM 12-HOUR SUSTAINED-ACTION CAPSULE - ORAL (dill-TIE-uh-zem)
BRAND NAME(S): Cardizem SR
USES: Diltiazem 12-hour sustained-action capsules are used to treat high blood pressure (hypertension). Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. Diltiazem is called a calcium channel blocker. It works by relaxing blood vessels in the body and heart so blood can flow more easily. This effect lowers blood pressure. Diltiazem may also lower your heart rate.OTHER This section contains uses of this drug that are not listed in the approved professional labeling for the drug but that may be prescribed by your health care professional. Use this drug for a condition that is listed in this section only if it has been so prescribed by your health care professional.Diltiazem is also used to prevent chest pain (angina). When used regularly, diltiazem can decrease the number and severity of episodes of chest pain from angina. Diltiazem may also be used to control your heart rate if you have a fast/irregular heartbeat (such as atrial fibrillation).
Quick GuideHeart Disease: Symptoms, Signs, and Causes
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Need help identifying pills and medications?
Use the pill identifier tool on RxList.