What side effects may I notice from receiving Multaq ?

Side effects that you should report to your doctor or health care professional as soon as possible:

-allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
-breathing problems
-cough
-dark urine
-fast, irregular heartbeat
-general ill feeling or flu-like symptoms
-light-colored stools
-loss of appetite, nausea
-right upper belly pain
-slow heartbeat
-stomach pain
-swelling of the legs or ankles
-unusually weak or tired
-weight gain
-yellowing of the eyes or skin
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

-nausea
-vomiting

This list may not describe all possible side effects for Multaq . Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.