Pronunciation: dye-soe-PEER-a-mide
Generic Name: Disopyramide
Brand Name: Norpace CR
Norpace CR Sustained-Release Capsules sometimes produces new irregular heartbeats (arrhythmias). Therefore, it should be used in carefully selected patients. Consult your doctor or pharmacist for more information.
Norpace CR Sustained-Release Capsules are used for:
Correcting or preventing various types of life-threatening irregular heartbeats and heart rhythm disturbances.
Norpace CR Sustained-Release Capsules are an antiarrhythmic. It works by stabilizing the heart rhythm in conditions in which the heart is beating too fast or in an irregular rhythm (antiarrhythmic effect).
Do NOT use Norpace CR Sustained-Release Capsules if:
- you are allergic to any ingredient in Norpace CR Sustained-Release Capsules
- you have second- or third-degree heart block and do not have a pacemaker, you were born with an irregular heartbeat due to QT prolongation, or your heart is in shock
- you are taking astemizole, cisapride, a class III antiarrhythmic (eg, amiodarone, sotalol), a phenothiazine (eg, thioridazine), pimozide, or a quinolone (eg, grepafloxacin, sparfloxacin), or terfenadine
Contact your doctor or health care provider right away if any of these apply to you.
Before using Norpace CR Sustained-Release Capsules:
Some medical conditions may interact with Norpace CR Sustained-Release Capsules. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
- if you are pregnant, planning to become pregnant, or are breast-feeding
- if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
- if you have allergies to medicines, foods, or other substances
- if you have a history of certain heart conditions or irregular heart rhythms (eg, enlargement or inflammation of the heart, heart block, heart failure, heart attack, Wolff-Parkinson-White syndrome), diabetes, glaucoma, severe muscle weakness, high or low levels of potassium in the blood, or kidney or liver disease
- if you have difficulty urinating due to an obstruction of the bladder neck or prostate problems
Some MEDICINES MAY INTERACT with Norpace CR Sustained-Release Capsules. Tell your health care provider if you are taking any other medicines, especially any of the following:
- Astemizole, beta-blockers (eg, propranolol), cisapride, class III antiarrhythmics (eg, amiodarone, sotalol), dofetilide, droperidol, ketolides (eg, telithromycin), macrolides (eg, erythromycin), phenothiazine (eg, thioridazine), pimozide, quinolones (eg, sparfloxacin, grepafloxacin), terfenadine, verapamil, or ziprasidone because side effects, such as life threatening irregular heartbeats, may be increased
- Hydantoins (eg, phenytoin) because the effectiveness of Norpace CR Sustained-Release Capsules may be decreased
This may not be a complete list of all interactions that may occur. Ask your health care provider if Norpace CR Sustained-Release Capsules may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
How to use Norpace CR Sustained-Release Capsules:
Use Norpace CR Sustained-Release Capsules as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- Norpace CR Sustained-Release Capsules may be taken with or without food.
- Swallow Norpace CR Sustained-Release Capsules whole. Do not break, crush, or chew before swallowing.
- Norpace CR Sustained-Release Capsules works best if it is taken at the same time each day.
- If you miss a dose of Norpace CR Sustained-Release Capsules, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.
Ask your health care provider any questions you may have about how to use Norpace CR Sustained-Release Capsules.
Important safety information:
- Norpace CR Sustained-Release Capsules may cause dizziness or blurred vision. Do not drive, operate machinery, or do anything else that could be dangerous until you know how you react to Norpace CR Sustained-Release Capsules.
- Do not become overheated in hot weather or during exercise or other activities; heatstroke may occur.
- Before you have any medical or dental treatments, emergency care, or surgery, tell the doctor or dentist that you are using Norpace CR Sustained-Release Capsules.
- Use Norpace CR Sustained-Release Capsules with caution in the ELDERLY because they may be more sensitive to its effects.
- Use Norpace CR Sustained-Release Capsules with extreme caution in CHILDREN. Safety and effectiveness have not been confirmed.
- PREGNANCY and BREAST-FEEDING: If you become pregnant, discuss with your doctor the benefits and risks of using Norpace CR Sustained-Release Capsules during pregnancy. Norpace CR Sustained-Release Capsules are excreted in breast milk. Do not breast-feed while taking Norpace CR Sustained-Release Capsules.
Possible side effects of Norpace CR Sustained-Release Capsules:
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Aches or pain; bloating; blurred vision; constipation; difficulty urinating; dizziness; dryness of the eyes, mouth, nose, or throat; fatigue; frequent and urgent urination; gas; general body discomfort; headache; muscle weakness; nausea; tiredness.
Seek medical attention right away if any of these SEVERE side effects occur:
Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); chest pain; fainting; fast or slow heartbeat; fever; lightheadedness; heart rhythm problems; severe difficulty urinating; shortness of breath; sore throat; swelling.
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.
See also: Norpace CR side effects (in more detail)
If OVERDOSE is suspected:
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately. Symptoms may include difficulty breathing; change in heart rhythm; loss of consciousness.
Proper storage of Norpace CR Sustained-Release Capsules:
Store Norpace CR Sustained-Release Capsules at room temperature, between 68 and 77 degrees F (20 and 25 degrees C). Store away from heat, moisture, and light. Do not store in the bathroom. Brief storage at temperatures between 59 and 86 degrees F (15 and 30 degrees C) is permitted. Keep Norpace CR Sustained-Release Capsules out of the reach of children and away from pets.
General information:
- If you have any questions about Norpace CR Sustained-Release Capsules, please talk with your doctor, pharmacist, or other health care provider.
- Norpace CR Sustained-Release Capsules are to be used only by the patient for whom it is prescribed. Do not share it with other people.
- If your symptoms do not improve or if they become worse, check with your doctor.
- Check with your pharmacist about how to dispose of unused medicine.
This information is a summary only. It does not contain all information about Norpace CR Sustained-Release Capsules. If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.
More Norpace CR resources
- Norpace CR Side Effects (in more detail)
- Norpace CR Use in Pregnancy & Breastfeeding
- Drug Images
- Norpace CR Drug Interactions
- Norpace CR Support Group
- 2 Reviews for Norpace CR - Add your own review/rating
Compare Norpace CR with other medications
- Arrhythmia
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