Compare Quinidine Sulfate vs. Amiodarone

Head-to-head comparisons of medication uses, side effects, ratings, and more.

No information currently available
Treats heart rate problems.

Cordarone (Amiodarone) is an option to treat heart rate problems when other medicines don't work, but it can take a few weeks to work and there's a lot of serious side effects.

No information currently available
  • An option for treating life-threatening heart rate problems when other medicines or procedures haven't worked.
  • Cordarone (Amiodarone) has been shown to lower the number of heart rate problems you can experience after certain types of heart surgeries.
  • Available as a generic version, so it should be affordable.
No information currently available
  • Not a good choice if you have eye, liver, or lung problems.
  • You'll need regular monitoring for side effects, such as routine blood tests, heart tests, and eye exams.
  • Cordarone (Amiodarone) can stay in your body for weeks or months after you've stopped taking it. Make sure you tell your doctor or dentist that you've taken Cordarone (Amiodarone) if they don't already know.
  • There are many possible drug interactions, so talk to your doctor or pharmacist before making any changes or starting a new medicine.
Used for
  • Atrial fibrillation and flutter
  • Chronic therapy to reduce recurrence Atrial fibrillation and flutter - Cardioversion Malaria
  • Treatment of uncomplicated P. falciparum malaria Ventricular arrhythmia
  • Life-threatening
  • Heart attack
Dosage forms
  • Pill
  • Pill
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Side effects
The Quinidex Extentabs (Quinidine Sulfate) FDA package insert doesn’t have numbers about how common side effects are.
The Cordarone (Amiodarone) FDA package insert doesn’t have numbers about how common side effects are.
Risks and risk factors
No information currently available
  • Life-threatening heart rate problems
    • Taking other heart rate medicines
  • Lung damage
  • Liver damage
    • History of liver problems
  • Vision problems
  • Thyroid problems
    • History of thyroid problems
  • Harm to fetus
    • Women of childbearing age
See more detailed risks and warnings