A break in these blood vessels causes bleeding during bowel movements, which is usually noticed when wiping the anal area after defecation. Due to the presence of tortuous and swollen rectal veins, bowel movements become very painful. Hemorrhoids are characterized by swelling of the rectal veins. Hemorrhoids (also referred to as piles) can cause discharge of both blood and mucus from the rectum. The following are some of the common reasons for rectal discharge: Hemorrhoids Without prompt treatment, fatal complications may develop within a few hours or days. Some of the potential causes of rectal discharge can be serious. However, a large volume of blood or mucus discharge from the rectum should be taken seriously and medical attention must be sought immediately. Small volumes of blood or mucus discharge may not be a medical emergency. The most common cause of rectal discharge is an injury or inflammation in the gut. Rectal discharge can occur due to multiple causes. Mucus from the upper parts of the gastrointestinal tract rarely reaches the rectum without being digested or extensively mixed with other gastrointestinal contents. For example, blood that comes from the upper reaches of the gastrointestinal tract may appear as a black, tarry mass rather than a bright red fluid.īlack colored tarry feces caused by the presence of degraded blood in the stool are technically referred to as melena.
However, these discharges may not be recognizable in their original form as they undergo degradation, digestion, and absorption during their transit through the gastrointestinal tract. Discharges from esophagus, stomach, and upper small intestine may eventually find their way out through the rectum. In some cases, blood, mucus and pus discharge may come from the upper gastrointestinal regions. The source of these discharges may not always be located inside or near the rectum. When present in small volumes, blood, mucus and pus get mixed with stool and may not be easily noticeable. Conditions such as bowel incontinence and fecal impaction can cause abnormal leakage of feces. Anal leakage refers to seepage of tiny amounts of watery stool from the anus even when not defecating. Leaked fecesįeces are not strictly considered to be an abnormal rectal discharge.
Excess mucus discharge occurs in abnormal conditions. The mucus is a sticky discharge that is produced by certain cells and glands within the lining of the gut. Some amount of mucus is normally present in the bowels and the stool.
Pus discharge from the rectum could be from a burst abscess present in the walls of the gut. Pus is composed of various components such as bacteria, dead cells, tissue fluid, breakdown products of cells, and (sometimes) blood. The presence of pus indicates an infection. One of the common causes is tears or ulcers in the mucosal lining of the bowels. The following are the main types of rectal discharge that one may encounter: Bloodīlood coming out of the rectum and anus indicates a disruption of the integrity of the blood vessels located somewhere within the digestive tract. Different types of rectal discharges occur due to different causes. These are not the normal components of stool and flatus. A rectal discharge includes mucus, blood, and pus. Similarly, expulsion of flatus (gas) from the rectum is not considered to be an abnormal discharge. Even abnormal stools that are soft and watery are not considered to be abnormal rectal discharges.
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