nifedipine

A calcium channel blocker drug, C₁₇H₁₈N₂O₆, that acts as a coronary vasodilator and is used primarily to treat hypertension and angina pectoris.

A dihydropyridine calcium channel blocker, used mainly as an antianginal and antihypertensive.

calcium blocker (trade name Procardia); appears to increase the risk of recurrent heart attacks