Procainamide is an antiarrhythmic used to treat and/or prevent abnormal rhythms or "beats" of the heart. Procainamide may be taken as a capsule, tablet, injection, extended release tablet, or your pharmacist may be able to make a liquid.

  • Do not discontinue this medication without talking to your child's doctor.
  • Notify your child’s doctor of all medications and herbal remedies your child is currently taking. 
  • Because this drug may interact with other medications, tell the doctor or pharmacist about all other medications your child is taking, both prescription and over-the-counter (OTC).
  • If stomach upset occurs, call your child's doctor.
  • Do not crush or chew long-acting forms of the drug.
  • Do not use after the expiration date on the bottle / package.
  • If too much medication is taken by accident, first call 911, then call the hospital operator at 513-636-4200, or toll free at 1-800-344-2462.  Ask to speak to the cardiologist on call.  
  • Keep this medication out of the reach of children.
  • Flushing
  • Increase in heart rate
  • Nausea and vomiting
  • Diarrhea
  • Muscle aches
  • Cough or sore throat
  • Irregular heart rate
  • Dizziness
  • Confusion
  • Severe vomiting or diarrhea
  • Rash
  • Difficulty breathing
  • Easy bruising or bleeding

Last Updated 06/2015