Nifedipine is a drug used to treat vasospastic angina (chest pain). Learn about side effects, drug interaction, dosages, warnings, and more. The following table is automatically generated from disease/condition pages across WikEM. Raynaud’s disease. Overview: Nifedipine is used to treat high blood pressure and angina, which is a type of chest pain. It works by relaxing blood vessels so blood can move through them more easily. Nifedipine is used alone or together with other medicines to treat severe chest pain (angina) or high blood pressure (hypertension). High blood pressure adds to the workload of the heart and arteries. If it continues for a long time, the heart and arteries may not function properly. 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. Nifedipine is a calcium channel blocker that treats high blood pressure and chest pain (angina). This medication makes your blood vessels relax, making it easier for your heart to pump blood. Detailed Nifedipine dosage information for adults. Includes dosages for Hypertension, Angina Pectoris and Angina Pectoris Prophylaxis; plus renal, liver and dialysis adjustments. Nifedipine has been used frequently as a tocolytic (agent that delays premature labor). A Cochrane review has concluded that it has benefits over placebo or no treatment for prolongation of pregnancy. Nifedipine is in a class of medications called calcium-channel blockers. It lowers blood pressure by relaxing the blood vessels so the heart does not have to pump as hard. It controls chest pain by increasing the supply of blood and oxygen to the heart. Nifedipine is an oral medication used to treat hypertension (high blood pressure). Learn about side effects, warnings, dosage, and more.