What side effects may I notice from receiving XTANDI?

Side effects that you should report to your care team as soon as possible:
-Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
-Heart attack—pain or tightness in the chest, shoulders, arms, or jaw, nausea, shortness of breath, cold or clammy skin, feeling faint or lightheaded
-Loss of balance or coordination
-Seizures
-Sudden and severe headache, confusion, change in vision, seizures, which may be signs of posterior reversible encephalopathy syndrome (PRES)
Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):
-Back pain
-Constipation
-Diarrhea
-Hot flashes
-Increase in blood pressure
-Loss of appetite
-Unusual weakness or fatigue

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