What is the reason for wanting to urinate?

Old want to urinate is possible reasons: first, the urinary system has infection, infection urinary tract mucosa congestion edema, sensitivity enhancement, a little urine stimulation local mucosa can produce a sense of urination, so it will show old want to urinate accompanied by urine not feeling, or accompanied by frequent micturition, urgency and other performance. Routine urine tests, can further confirm whether there is infection. Second, if there are related stimulation factors in the urinary tract, such as stones, tumors, polyps, etc., it can lead to increased local sensitivity and show the feeling of frequent urination. At the same time, it can be accompanied by pain at the site of the stone, or bleeding at the site of the tumor. It is manifested as pain in the waist and abdomen, macroscopic hematuria, accompanied by the feeling of old urination. It is recommended to conduct B-ultrasound or CT examinations of the urinary system to confirm whether there are related infectious factors. Third, bladder overactivity, more common in women. General urine routine laboratory examination does not exist urinary tract infection, there is no urinary tract stones, tumors and other stimulation. It is manifested as frequent contraction of bladder detrusor muscle, so it shows obvious frequent urination, want to urinate feeling, need to conduct urodynamic examination for further diagnosis.