How long to urinate blood after prostate surgery, here prostate surgery, mainly includes transurethral electrodesiccation of the prostate or transurethral holmium laser enucleation of the prostate, and laparoscopic radical resection of prostate cancer. All three of these prostate surgeries may be followed by hematuria, especially the first two, which can exist for up to a month or so. It is normal for a small amount of hematuria to occur within a month after surgery because the mucosa of the prostate fossa is slowly being repaired after surgery, but if a large amount of hematuria occurs within a month, it is abnormal and requires prompt medical attention.