Amlodipine hydrochloride, (R) -

Amlodipine hydrochloride, (R) -, is a medication used to lower blood pressure and prevent chest pain. It belongs to a group of medications known as dihydropyridine-type calcium channel blockers. By widening of blood vessels it lowers blood pressure. In angina, amlodipine increases blood flow to the heart muscle to relieve pain due to angina.