Mytera 500 Tablet treats prostate cancer that has spread to other parts of the body.It is usually taken with another medicine called prednisolone to reduce unwanted side effects.It must be taken on an empty stomach. Don't eat any food for at least 2 hours before or 1 hour after your dose.Always use effective birth control measures to prevent pregnancy while taking this medicine.Your doctor may regularly monitor your liver function, blood pressure, and the level of potassium in your blood while you are having treatment with this medicine.