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List of Atrial Fibrillation Drugs and Side Effects

Atrial fibrillation or AFib, is an abnormal heart rhythm that causes an irregular, and often, a rapid heartbeat. Three main types of drug classes treat and manage AFib. Heart rhythm drugs, blood thinners, and drugs that slow the heart rate. Serious side effects can occur in each drug class, for example, shortness of breath, coughing up blood or vomiting blood, and bleeding into the brain.