If you have high blood pressure, it works by blocking calcium going into muscles in the heart and blood vessels. Muscles need calcium to contract, so when you block the calcium, it makes the muscle cells relax. In angina, nifedipine works by improving the blood supply to your heart.

Subsequently, question is, what time of day should I take nifedipine ER? The capsule is usually taken three or four times a day. The extended-release tablet should be taken once daily on an empty stomach, either 1 hour before or 2 hours after a meal. To help you remember to take nifedipine, take it at around the same time(s) every day.

Besides, why is nifedipine no longer used?

The use of short-acting nifedipine is no longer considered appropriate because it can cause a rapid unpredictable fall in blood pressure and may precipitate ischemic events.

Is nifedipine bad for kidneys?

This can damage the blood vessels of the brain, heart, and kidneys, resulting in a stroke, heart failure, or kidney failure. These problems may be less likely to occur if blood pressure is controlled. Nifedipine is a calcium channel blocker.