Holding back urine for a long time may induce urinary tract infections, and may cause urinary incontinence, urinary retention and other symptoms. 1. induced urinary tract infection: hold urine stimulation may cause congestion and swelling of the urinary tract, urine stimulation caused by cystitis, urethritis and other diseases, can cause abdominal swelling, frequent urination, urinary urgency, and even blood in the urine and other symptoms, serious and may cause pyelonephritis and other diseases. 2. Urinary incontinence, urinary retention: persistent holding back urine may cause bladder sphincter dysfunction, causing urine to overflow or urine can not be discharged, resulting in urinary retention and other symptoms. Holding back urine for a long time may have other disadvantages, you should avoid holding back urine, if the symptoms of discomfort caused by holding back urine, you should seek medical examination as soon as possible, and take timely treatment measures.