Feb 15, · Some common causes of bedwetting include: Urinary tract infection (UTI). Smaller than average bladder size. Any of these medical issues can also cause bedwetting in adults: diabetes, urinary tract infection, urinary tract stones, neurological disorders, anatomical abnormalities, urinary tract calculi, prostate cancer, prostate enlargement, bladder cancer, or obstructive sleep apnea. .
Your bed-wetting may also be due to conditions that affect your body's ability to store and hold urine. For instance, bladder cancer and prostate cancer can cause it. So can diseases of the . Jul 13, · A urinary tract infection (UTI) can cause frequent and unexpected urination. A UTI often causes inflammation and irritation of the bladder which can further worsen incontinence and bed-wetting .