Disopyramide
Generic name: disopyramide [ DYE-soe-PIR-a-mide ]
Brand names: Norpace, Norpace CR
Dosage forms: oral capsule (100 mg; 150 mg); oral capsule, extended release (100 mg; 150 mg)
Drug class:Group I antiarrhythmics
What is disopyramide?
Disopyramide affects the way that your heart beats.
Disopyramide is used to treat life-threatening irregular heartbeat patterns.
Disopyramide may also be used for purposes not listed in this medication guide.
Warnings
You should not use disopyramide if you have long QT syndrome, or a serious heart condition such as "AV block" (unless you have a pacemaker).
Do not use disopyramide to treat any heart rhythm disorder that has not been checked and diagnosed by your doctor.
Before taking this medicine
You should not use disopyramide if you are allergic to it, or if you have:
long QT syndrome; or
a serious heart condition such as "AV block" (unless you have a pacemaker).
Do not use disopyramide to treat any heart rhythm disorder that has not been checked and diagnosed by your doctor.
To make sure disopyramide is safe for you, tell your doctor if you have:
other heart rhythm disorders ("sick sinus syndrome", bundle branch block, Wolff-Parkinson-White syndrome);
congestive heart failure, or if you have recently had a heart attack;
low potassium levels in your blood (hypokalemia);
low blood sugar, or diabetes;
liver or kidney disease;
enlarged prostate, bladder obstruction or other urination problems;
if you are malnourished.
FDA pregnancy category C. It is not known whether disopyramide will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using disopyramide.
Disopyramide can pass into breast milk and may harm a nursing baby. You should not breast-feed while using this medicine.
