Disopyramide (By mouth)
dye-soe-PIR-a-mide
Treats irregular heartbeat (arrhythmias). Belongs to a class of drugs called antiarrhythmics.
Drug classes
Antiarrhythmic, Group IA (About this – PubMed Health)
Uses
Uses of This Medicine
Disopyramide is used to treat abnormal heart rhythms.
It is available only with your doctor’s prescription.
Other uses (PubMed Health)
How To Use
Capsule, Long Acting Tablet, Long Acting Capsule
Your doctor will tell you how much to take and how often.
Take this medicine exactly as your doctor ordered, even if you feel fine.
May be taken with food or milk to avoid stomach upset.
Swallow the extended-release tablet or extended-release capsule whole – do not break, chew, or crush.
You may need to carry identification that says you are taking disopyramide. Ask you doctor about this.
If a dose is missed:
Take the missed dose as soon as possible unless your next regular dose is less than 4 hours away.
If it is less than 4 hours until your next dose, wait until then to take your medicine and skip the missed.
You should not use two doses at the same time.
How to Store and Dispose of This Medicine:
Store at room temperature, away from heat, moisture, and direct light.
Keep all medicine out of the reach of children.
Drugs and Foods to Avoid
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
Tell your doctor if you are taking any of these medicines: other heart medicines such as Procan®, Quinidex®, Lanoxin®, Cordarone®, or Inderal®, phenytoin (Dilantin®), or pimozide (Orap®).
Avoid drinking alcohol while taking this medicine.
When Not To Use
You should not use this medicine if you have had an allergic reaction to disopyramide in the past.
Warnings
Check with your doctor before taking if you have kidney or liver disease, glaucoma, an enlarged prostate, trouble urinating, diabetes, or myasthenia gravis.
Tell your doctor or dentist that you are taking disopyramide before having any kind of surgery.
Do not suddenly stop taking this medicine without asking your doctor.
Talk with your doctor before taking this medicine if you are pregnant or breastfeeding.
While taking this medicine, avoid becoming overheated during hot weather or exercising.
Standing-up slowly from a sitting or lying position can lessen the chance of getting dizzy.
Disopyramide may make you dizzy or drowsy. Be careful if you drive a car or operate machinery.
Possible side effects
Summary More details
Call your doctor right away if you notice any of these side effects:
Irregular heartbeat
Shortness of breath or trouble breathing
Blurred vision
Trouble urinating
Skin rash, severe itching or hives
Swelling of the legs and feet or weight gain
Yellowing of skin or eyes
If you notice these less serious side effects, talk with your doctor:
Dizziness, lightheadedness, fainting
Headache, nervousness, or confusion
Dry mouth or throat
Constipation, bloating, gas
Stomach cramps or loss of appetite
Trembling or shaking
Tiredness or weakness
Decreased sexual ability or interest
If you notice other side effects that you think are caused by this medicine, tell your doctor.
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
More side effects of this drug
Brand names include
Norpace, Norpace CR
There may be other brand names for this medicine.
