Diltiazem Capsule: Uses, Dosage, Side Effects, Precautions and Alternates

Diltiazem Capsule

Generic nameDiltiazem Hydrochloride
Drug classNon-dihydropyridine calcium channel blocker
FormsExtended-release oral capsules, Extended-release oral tablets, Oral tablets (immediate-release), Controlled-delivery capsules, Intravenous injection, Topical cream/ointment (for anal fissures, off-label)

Diltiazem is a calcium channel blocker medicine used to treat high blood pressure and chest pain (angina). It works by relaxing blood vessels and reducing how hard the heart has to work.