Munson Health
Medications for Arrhythmias (Heart Rhythm Disturbances)

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by Polsdorfer R
The information provided here is meant to give you a general idea about each of the medications listed below. Only the most general side effects are included, so ask your doctor if you need to take any special precautions. Use each of these medications as recommended by your doctor, or according to the instructions provided. If you have further questions about usage or side effects, contact your doctor.
Treatment of arrhythmias depends on the type and seriousness of the particular rhythm disturbance. Medications are most often used to treat tachyarrhythmias (fast heart rates). These include:
  • Quinidine
  • Procainamide
  • Disopyramide
  • Phenytoin
  • Tocainide
  • Mexiletine
  • Flecainide
  • Propafenone
  • Moricizine
  • Propranolol
  • Metoprolol
  • Bretylium
  • Amiodarone
  • Sotalol
  • Ibutilide
  • Dofetilide
  • Diltiazem
  • Verapamil
  • Digitalis glycosides
  • Adenosine

Prescription Medications

In one way or another, all of these drugs act to slow the electrical activity in the heart. Many of them have additional uses, such as treating high blood pressure. All of them can produce serious side effects and must be used with great care and strict adherence to instructions.


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