In this Article

• What is nifedipine (Procardia)?
• What are the possible side effects of nifedipine?
• What is the most important information I should know about nifedipine?
• What should I discuss with my healthcare provider before taking nifedipine?
• How should I take nifedipine?
• What happens if I miss a dose?
• What happens if I overdose?
• What should I avoid while taking nifedipine?
• What other drugs will affect nifedipine?
• Where can I get more information?

What should I discuss with my healthcare provider before taking nifedipine?

You should not use nifedipine if you are allergic to it.

If you have any of these other conditions, you may need a dose adjustment or special tests:

• kidney disease;
• liver disease (especially cirrhosis);
• coronary artery disease;
• congestive heart failure; or
• digestive problems.

FDA pregnancy category C. It is not known whether nifedipine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medication..

Nifedipine can pass into breast milk and may harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

How should I take nifedipine?

Take exactly as prescribed by your doctor. Do not take in larger or smaller amounts or for longer than recommended. Follow the directions on your prescription label.

Your doctor may occasionally change your dose to make sure you get the best results.

Take the Adalat CC tablet on an empty stomach.

Do not crush, chew, or break an extended-release tablet. Swallow it whole. Breaking the pill may cause too much of the drug to be released at one time.

Some tablet forms of nifedipine are made with a shell that is not absorbed or melted in the body. Part of the tablet shell may appear in your stool. This is a normal side effect of nifedipine and will not make the medication less effective.

Call your doctor if you have ongoing vomiting or diarrhea, or if you are sweating more than usual. These conditions can lead to severely low blood pressure.

If you need surgery, tell the surgeon ahead of time that you are using nifedipine. You may need to stop using the medicine for a short time.

Do not stop taking nifedipine without first talking to your doctor, even if you feel fine. Stopping suddenly may make your condition worse. High blood pressure often has no symptoms. You may need to use blood pressure medication for the rest of your life.

Your blood pressure will need to be checked often and you may need other blood tests at your doctor's office. Visit your doctor regularly.

Store at room temperature away from moisture and heat.