Pain in the abdomen when urinating is due to a urinary tract infection or heat and moisture in the bladder. It can be diagnosed through a urine test. If it is caused by a urinary tract infection, you can take antibiotics and detoxifying drugs, and drinking more water can significantly relieve the symptoms of abdominal pain. Women should look for the presence of gynecological diseases, such as adnexitis, uterine fibroids, pelvic inflammatory disease, pelvic effusion, can cause pain and swelling in the abdomen when urinating. In addition, older male comrades have prostatitis, enlarged prostate, etc., will also appear when urinating pain in the abdomen.