The condition of feeling like you need to poop when you urinate can be caused by acute enteritis, urinary tract infections and prostatitis. 1. Acute enteritis: when the intestinal tract is infected with dysentery bacillus and other pathogens can trigger enteritis, pathogens can cause damage to the intestinal mucosa, resulting in the emergence of symptoms such as anxiousness (the lower abdomen is uncomfortable, want to relieve the bowel movement, after the bowel movement is incomplete feeling), urinary sphincter contraction, can stimulate anal sphincter resulting in the emergence of the feeling of wanting to discharge the bowel movement. 2. Urinary tract infections: When urinary tract infections occur in the ureter, bladder and urethra, bladder irritation can occur when urinating, and the irritation can involve the perineum and anus and other areas, which can result in the sensation of wanting to defecate. 3. prostatitis: prostatitis or infection can lead to prostate enlargement, congestion and other manifestations, can be located in the prostate behind the rectum caused by pressure, in the urinary bladder pressure on the prostate, leading to rectal compression aggravated, and then stimulate the rectal reflex, want to poop feeling. The feeling of wanting to have a bowel movement when urinating may also be caused by other factors, and you should go to a regular hospital in a timely manner, under the guidance of specialists to actively carry out the appropriate treatment, which will help to alleviate the uncomfortable symptoms as soon as possible.