Stop taking Xtandi and get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Xtandi may cause side effects on your spinal cord. Stop taking this medicine and call your doctor at once if you have:
dizziness, spinning sensation;
a seizure (black-out or convulsions);
confusion, thinking problems, severe headache, vision problems;
weakness, loss of consciousness;
red or pink urine;
heart problems - chest pain, shortness of breath (even with mild exertion);
increased blood pressure - severe headache, blurred vision, pounding in your neck or ears, anxiety, nosebleed; or
signs of a lung infection - fever, cough with yellow or green mucus, stabbing chest pain, wheezing, feeling short of breath.
Your cancer treatments may be delayed or permanently discontinued if you have certain side effects.
Common Xtandi side effects may include:
feeling weak or tired;
constipation, diarrhea;
loss of appetite;
flushing (redness, hot feeling);
back pain, joint pain; or
high blood pressure.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
 Xtandi side effects (more detail)
