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Information on Tablets A-Z
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Brand Names:
Norpace; Norpace CR
IMPORTANT WARNING:
Studies have shown that some antiarrhythmic drugs may increase the risk of death, especially if you have had a previous heart attack. This information also may apply to disopyramide. Disopyramide usually is used only to treat life-threatening arrhythmias.
Medication prescribed:
Disopyramide is used to treat abnormal heart rhythms (arrhythmias). It works by making your heart more resistant to abnormal activity.
This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.
How should this medicine be used:
Disopyramide comes as a capsule to take by mouth. Immediate-acting disopyramide may be taken three or four times a day. The long-acting product usually is taken twice a day. Do not cut, crush, or chew extended-release capsules; swallow them whole.
Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take disopyramide exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.
Disopyramide helps control your condition but will not cure it. Continue to take disopyramide even if you feel well. Do not stop taking disopyramide without talking to your doctor.
Special precautions:
Before taking disopyramide,
tell your doctor and pharmacist if you are allergic to disopyramide or any other drugs.
tell your doctor and pharmacist what prescription and nonprescription medications you are taking, especially clarithromycin (Biaxin), erythromycin (E.E.S., E-mycin, others), itraconazole (Sporanox), ketoconazole (Nizoral), other medications for arrhythmias such as quinidine (Quinidex) or procainamide (Pronestil, Rhythmin), phenytoin (Dilantin), potassium supplements (K-Dur, Klor-Con), propranolol (Inderal), verapamil (Calan, Covera, Verelan), and vitamins.
tell your doctor if you have or have ever had congestive heart disease, high blood pressure, diabetes, kidney or liver disease, glaucoma, myasthenia gravis, urinary retention, or benign prostatic hypertrophy.
tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while taking disopyramide, call your doctor.
if you are having surgery, including dental surgery, tell the doctor or dentist that you are taking disopyramide.
you should know that this drug may make you drowsy. Do not drive a car or operate machinery until you know how this drug affects you.
remember that alcohol can add to the drowsiness caused by this drug.
talk to your doctor about the use of cigarettes and caffeine-containing beverages. These products may increase the irritability of your heart and interfere with the action of disopyramide.
If I forget a dose:
Take the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed one.
What side effects:
Although side effects from disopyramide are not common, they can occur. Tell your doctor if any of these symptoms are severe or do not go away:
dizziness or lightheadedness
difficult urination
dry mouth
constipation
blurred vision
stomach pain or bloating
headache
If you experience any of the following symptoms, call your doctor immediately:
chest pain
swelling of the feet or hands
unusual weight gain
irregular heartbeat
shortness of breath
fever, chills, or sore throat
skin rash or yellowing of the skin
What storage conditions:
Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom). Throw away any medication that is outdated or no longer needed. Talk to your pharmacist about the proper disposal of your medication.
In case of overdose:
In case of overdose, call your local poison control center. If the victim has collapsed or is not breathing, call local emergency services at 911.
Other information:
Keep all appointments with your doctor and the laboratory. Your doctor will need to determine your response to disopyramide.
Do not let anyone else take your medication. Ask your pharmacist any questions you have about refilling your prescription.
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