Blood in both urine and stool may be due to coagulation disorders, tumors, rectal vesicovaginal fistulae, concurrent urinary and gastrointestinal disorders, and other causes.
1. Tumor:
When bladder cancer invades rectum, colorectal cancer invades bladder, uterus or ovary tumor invades pelvic organs and so on, hematuria, blood in stool and so on will occur, which suggests that the tumor situation is more serious and needs timely treatment.
2. Rectal bladder fistula:
Due to various causes of rectal and bladder penetrating injury, the formation of fistula, hematuria, blood in feces and other conditions, usually combined with changes in urine properties.
3. Coagulation disorders:
When hemophilia, platelet apoplexy, coagulation factor secretion abnormalities and other coagulation disorders occur, there may be urinary and intestinal mucous membrane rupture bleeding more than the situation.
3. Simultaneous occurrence of urinary and gastrointestinal diseases:
(1) Urological diseases: bladder and urethra stones, prostatitis, cystitis, urethritis and other diseases can lead to hematuria.
(2) Diseases of the digestive system: diseases such as peptic ulcer, stomach cancer, liver cancer, etc., can lead to blood in the stool.
If the above two diseases are combined at the same time, there may be blood in both urine and stool. The cause of blood in stool combined with blood in urine is more complicated, so it is recommended to go to the hospital for consultation in time.