Overview: Amiodarone is used to prevent and treat certain irregular heart rhythms that can be life-threatening. It works by blocking certain electrical signals in your heart to help keep your. Amiodarone is commonly used to treat different types of abnormal heart rhythms, such as atrial arrhythmias (supraventricular arrhythmias) and ventricular arrhythmias. [13] Learn about the side effects of amiodarone, from common to rare, for consumers and healthcare professionals. Amiodarone is used to treat life-threatening heart rhythm problems called ventricular arrhythmias. This medicine is used in patients who have already been treated with other medicines that did not work well. Amiodarone belongs to the group of medicines known as antiarrhythmics. Amiodarone is used to treat ventricular tachycardia or ventricular fibrillation. Amiodarone is for use only in treating life-threatening heart rhythm disorders. Amiodarone can cause dangerous side effects on your heart, liver, lungs, or vision. Amiodarone, a bi-iodinated benzofuran derivative, is among the most commonly used antiarrhythmic drugs due to its high level of effectiveness. Though initially categorized as a class III agent, amiodarone exhibits antiarrhythmic properties across all four classes of antiarrhythmic drugs. The current topic will review the pharmacokinetics, electrophysiologic properties, clinical uses, dosing, monitoring, and adverse effects of amiodarone. Other topics discuss amiodarone pulmonary and thyroid toxicities in detail. View amiodarone hydrochloride information, including dose, uses, side-effects, pregnancy, breast feeding, contra-indications, monitoring requirements and important safety information. Amiodarone is used to treat certain types of serious (possibly fatal) irregular heartbeat (such as persistent ventricular fibrillation/tachycardia). It is used to restore normal heart rhythm and maintain a regular, steady heartbeat. Amiodarone is known as an anti-arrhythmic drug. Amiodarone is a medication that prevents and treats an irregular heartbeat (arrhythmia). It works by stabilizing your heart’s rhythm.