Disopyramide (Norpace®, Norpace CR®) is a type of drug called an antiarrhythmic used to treat / or prevent abnormal or fast rhythms or beasts of the heart. It is available as a capsule, controlled release capsule, or your pharmacist may be able to make a liquid. 

  • Do not discontinue this medication without talking to your child's doctor.
  • Because this medicine may interact with other medications, tell the doctor or pharmacist all other medications your child is taking, including prescriptions and over-the-counter (OTC).
  • Do not crush, break, or chew controlled release capsules. Controlled release capsules should be swallowed whole.
  • This medication should be given on an empty stomach (1 hour before, or 2 hours after, a meal).
  • Do not use after the expiration date on the bottle / package.
  • Keep this medication out of the reach of children.
  • If too much medication is taken by accident, call the Click here to visit the Drug and Poison Information Center (DPIC) at 513-636-5111, or 1-800-222-1222, or call our child's doctor immediately.
  • Give a missed dose as soon as possible.
  • If it is almost time for the next dose, skip the missed dose and return to your child's regular schedule.
  • Do not give a double dose or extra doses.
  • Do not change dose or stop your child's medicine. Talk with your child's healthcare provider. 
  • Lightheadedness
  • Weakness
  • Diarrhea
  • Dry mouth
  • Constipation
  • Difficulty urinating
  • Blurred vision
  • Stomach pain or bloating
  • Headache
  • Chest pain
  • Palpitations or heart racing
  • Swelling of the feet or hands
  • Swelling of face, lips, tongue, or throat
  • Skin rash or yellowing of the skin
  • Nausea/vomiting
  • Blurred vision
  • Unusual weight gain
  • Inability to urinate
  • Fainting or dizziness

Last Updated 12/2013