Breast swelling and soreness often occurs. This will return to normal when you stop taking nilutamide. This should improve as your body adjusts to nilutamide. Nausea and vomiting may occur when you start taking nilutamide. It usually goes away as treatment continues.
Most people have little or no nausea.
Drink plenty of liquids. Eat often in small amounts. Signs of anemia such as unusual tiredness or weakness. Signs of liver problems such as yellow eyes or skin, white or clay-coloured stools. Signs of lung problems such as shortness of breath or dry, hacking cough.