Do not stop taking Neoral or Danazol without consulting your doctor immediately. Abruptly stopping Neoral (cyclosporine) can be highly dangerous, potentially causing organ transplant rejection or a severe relapse of your condition. However, blood in your urine (hematuria) is a serious symptom that requires urgent medical attention. Both Neoral and Danazol can impact kidney function, and hematuria could indicate kidney irritation or another underlying issue. Please contact your prescribing physician or seek emergency medical care right away. They will perform necessary tests, such as kidney function and urine tests, to safely determine if your medications need to be adjusted or stopped.