What side effects may I notice from receiving Tagrisso?

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
-red spots on the skin
-redness, blistering, peeling, or loosening of the skin, including inside the mouth
-signs and symptoms of a dangerous change in heartbeat or heart rhythm like chest pain; dizziness; fast or irregular heartbeat; palpitations; feeling faint or lightheaded, falls; breathing problems
-signs and symptoms of increased potassium like muscle weakness; chest pain; or fast, irregular heartbeat
-signs and symptoms of low potassium like muscle cramps or muscle pain; chest pain; dizziness; feeling faint or lightheaded, falls; palpitations; breathing problems; or fast, irregular heartbeat
-swelling of the legs or ankles
-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):

-diarrhea
-dry skin
-nail changes

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