Congestive Heart Failure Home > Digoxin and Atrial Fibrillation

People who have a certain type of irregular heart rhythm called atrial fibrillation may benefit from taking digoxin (Lanoxin®). This prescription medicine comes in the form of a tablet, an elixir (oral liquid), and an injection.
Specifically, digoxin is approved to treat chronic atrial fibrillation. Atrial fibrillation (or sometimes just "afib" for short) is the most common type of abnormal heart rhythm (or arrhythmia). It occurs when the electrical system that controls the heartbeat is no longer working properly. Digoxin works by slowing down and controlling the heart rate; however, it is not a cure for this condition.
Although afib itself is not a life-threatening problem, if left untreated, it can cause serious complications, such as:
(For a closer look at using this drug to treat atrial fibrillation, click What Is Digoxin Used For? This Web resource also takes an in-depth look at how digoxin works, other approved and unapproved uses of the drug, and whether it is safe for children.)
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Last reviewed by: Kristi Monson, PharmD;
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