Procardia is a calcium-channel blocker. Procardia affects the amount of calcium found in your heart and muscle cells. This relaxes your blood vessels, which can reduce the amount of work the heart has to do. Procardia is prescribed to treat chest pain caused by angina.
Procardia is contraindicated if you have any of the following conditions:
- Heart problems, low blood pressure, slow or irregular heartbeat;
- Kidney disease;
- Liver disease;
- Previous heart attack;
- An unusual or allergic reaction to Procardia, other drugs, foods, dyes, or preservatives;
- Pregnant or trying to get pregnant;
- Tell your doctor and pharmacist if you are allergic to Procardia or any other drugs.
- Tell your doctor and pharmacist what script and nonscript medications you are taking, especially cimetidine (Tagamet) fentanyl (Duragesic) heart and blood pressure medications like beta-blockers, digoxin (Lanoxin), warfarin (Coumadin), and quinidine (Quinaglute, Quinidex) phenytoin (Dilantin) ranitidine (Zantac) and vitamins.
- Tell your doctor if you have or have ever had heart, liver, or kidney disease.
- Tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while taking Procardia, call your doctor.
Do not take Procardia with any of the following drugs:
- Barbiturates, like phenobarbital;
- Grapefruit juice;
- Local or general anesthetics;
- Drugs for high blood pressure or heart problems;
Procardia side effects that you should report to your health care professional or doctor as soon as possible:
- Blood in the urine;
- Difficulty breathing;
- Fast heartbeat, palpitations, irregular heartbeat, chest pain;
- Redness, blistering, peeling or loosening of the skin, including inside the mouth;
- Reduced amount of urine passed;
- Skin rash;
- Swelling of the legs and ankles;
- Facial flushing;
- Weakness or tiredness;
- Upset stomach;
- Dizziness or lightheadedness;
- Excessive tiredness;
- Flushing (feeling of warmth);
- Fast heartbeat;
- Muscle cramps;
- Enlargement of gum tissue around teeth;
- Nasal congestion;
- Decreased sexual ability;
- Swelling of the face eyes lips tongue arms or legs;
- Difficulty breathing or swallowing;
- Yellowing of the skin or eyes;
- Increase in frequency or severity of chest pain (angina);
The usual starting dose of Procardia and Adalat is one 10-mg capsule, 3 times a day. The usual range is 10 to 20 mg 3 times a day. Some people may need 20 to 30 mg, 3 or 4 times a day. Usually you will not take more than 120 mg in a day and should take no more than 180 mg.
The starting dose of Procardia XL and Adalat CC is usually a 30- or 60-mg tablet, taken once daily. Your doctor may increase the dose over 1 to 2 weeks if not satisfied with the way the drug is working. Doses above 120 mg per day are not recommended.
Although no serious side effects have been reported when Procardia XL is stopped, your doctor will probably have you lower the dose gradually under close supervision.