What side effects may I notice from receiving Lanoxin?

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
-changes in behavior, mood, or mental ability
-changes in vision
-confusion
-fast, irregular heartbeat
-feeling faint or lightheaded, falls
-headache
-nausea, vomiting
-unusual bleeding, bruising
-unusually weak or tired

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
-breast enlargement in men and women
-diarrhea

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