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 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 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 used to treat high blood pressure and two types of chest pain (angina): vasospastic angina and chronic stable angina. 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. Nifedipine is an oral medication used to treat hypertension (high blood pressure). Learn about side effects, warnings, dosage, and more. Learn about the side effects of nifedipine, from common to rare, for consumers and healthcare professionals. 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. 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. Nifedipine is a drug used to treat vasospastic angina (chest pain). Learn about side effects, drug interaction, dosages, warnings, and more.