What is the reason for not controlling urine?

Possible reasons for uncontrolled urine: First, after urinary tract infection, mucosal congestion and edema accompanied by increased sensitivity, at this time can show a strong desire to urinate, the patient can not control and urgent urinary incontinence occurs, after the infection recovers, the mucosa returns to normal, the feeling returns to normal, then the ability to control urine can be restored normally. Second, the occurrence of sphincter damage, this time caused by urethral sphincter closed incomplete, will show urinary incontinence phenomenon, due to sphincter closed incomplete, artificial unable to control the contraction of sphincter, so will show urinary incontinence condition. Third, overflow urinary incontinence, because a large amount of urine stored in the bladder, resulting in increased bladder pressure, its pressure exceeds the sphincter closed pressure, will not be able to control urination and urinary incontinence phenomenon. Fourth, there are related diseases in the urethral sphincter that cannot be closed, such as stones embedded in the urethral sphincter, or tumors that cannot be completely closed, which will show that urination cannot be controlled.