Caffeine linked to leaky bladder in men. The amount of caffeine that's typically found in two cups of coffee may contribute to a man's incontinence, according to a new study.
Heavy menstruation, also known as menorrhagia, is usually the result of a hormonal imbalance. Another common cause of abnormal uterine bleeding is fibroid tumors. Other causes of excessive bleeding that your healthcare provider should consider include: cervical or endometrial polyps.
Common Causes of Rectal Bleeding: 1  Cancer of the rectum, anus or colon (your anus is the opening that your bowel movements pass through). 2  Hemorrhoids - these are swollen veins in the lower rectum. They may be inside your rectum or anus; or outside your rectum or anus.