Nifedipine is in a group of drugs called calcium channel blockers. It works by relaxing the muscles of your heart and blood vessels. Nifedipine is used to treat hypertension (high blood pressure) and angina (chest pain). Nifedipine may also be used for purposes not listed in this medication guide.
Procardia, nifedipine, is a progesterone hormone. It is used in the treatment of chest pain in certain patients. Procardia is a blocking agent that works to lower pain in the chest by widening vessels of the blood in the heart since it has calcium in it.