Pill Name

Procardia (Nifedipine)

Pill Uses

This drug is a calcium channel blocker. Calcium is involved in blood vessel contraction. By blocking calcium, nifedipine relaxes and widens the blood vessels. It is used to treat chest pain (angina). Ask your doctor or pharmacist about possible problems related to use of short-acting calcium channel blockers.

How Taken Drug

Capsules should be swallowed whole with a full glass of water unless your doctor directs you otherwise. This medication must be taken as directed to prevent chest pain. It is not effective if taken only when chest pain occurs. Do not stop taking this medication suddenly without talking with your doctor. Chest pain can occur if the medication is stopped too fast. Your dose may need to be gradually decreased.

Drug Class and Mechanism Action

Procardia belongs to a class of medications called calcium channel blockers. These medications block the transport of calcium into the smooth muscle cells lining the coronary arteries and other arteries of the body. Since calcium is important in muscle contraction, blocking calcium transport relaxes artery muscles and dilates coronary arteries and other arteries of the body. By relaxing coronary arteries, procardia is useful in treating and preventing chest pain (angina) resulting from coronary artery spasm. Relaxing the muscles lining the arteries of the rest of the body lowers the blood pressure, which reduces the burden on the heart as it pumps blood to the body. Reducing heart burden lessens the heart muscle's demand for oxygen, and further helps to prevent angina in patients with coronary artery disease.

Missed Dose Drug

If you miss a dose, take as soon as remembered; do not take if it is almost time for the next dose, instead, skip the missed dose and resume your usual dosing schedule. Do not "double-up" the dose to catch up.

Storage Drug

Store at room temperature between 59 and 86 degrees F (between 15 and 30 degrees C) away from moisture and sunlight. Do not store in the bathroom.

Warnings/Precautions Drug

Before having surgery, including dental surgery, tell the doctor that you take this drug. Tell your doctor of any diseases you have especially of: liver disease, congestive heart failure, any allergies. Do not allow anyone else to take this medication. Limit using alcohol while taking this medication. This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor. This drug is excreted into breast milk. Though no problems have been noted, consult your doctor before breast-feeding.

Possible Side Effects Drug

This drug may cause dizziness and lightheadedness especially during the first few days. Avoid activities requiring alertness. When you sit or lie down for a while, get up slowly to minimize dizziness and allow your body to adjust. You may also experience bloating, heartburn, nausea, blurred vision, muscle cramps, headache, flushing, sweating and sleep disturbances. These effects should disappear as your body adjusts to the medication. Inform your doctor if they become bothersome. Notify your doctor if you develop: swelling of hands or feet, irregular heartbeat. In the unlikely event you have an allergic reaction to this drug, seek medical attention immediately. Symptoms of an allergic reaction include: rash, itching, swelling, dizziness, trouble breathing. If you notice other effects not listed above, contact your doctor or pharmacist.

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