Aggie Lala. stools. August 02nd , 2017.
The main black stool cause is bleeding in the upper gastrointestinal tract, particularly in the esophagus and stomach of the digestive system. As the partially digested food particles pass through the bleeding sites, they carry blood along with them. By the time, the indigestible particles are expelled as feces, the blood is already oxidized, resulting in black or tarry stool.
Darkening of the stool, is pointing towards internal bleeding in the organs of upper gastrointestinal tract such as the stomach. However, in some cases, blood leaking from lower gastrointestinal tract can also cause stool to appear bright red or black.
Laxatives are used for loosening stools, so that they can easily move through the colon and/or increase the frequency of bowel movements. A laxative could be a drug or a natural remedy like prune juice. As far as drugs are concerned, laxatives can be of different types. They include bulk-forming agents, stool softeners, stimulants, lubricants and osmotics. Though they all aim at relieving constipation, their course of action differs.
Constipation is a condition that is characterized by difficult evacuation of the bowel due to hardening of stool. It is a common health problem that causes a host of distressing symptoms such as infrequent bowel movements, bloating, abdominal pain, feeling of incomplete evacuation of the bowel, etc. Since the fecal matter becomes very hard and dry, the lining of the rectum and anus may get damaged during bowel movement, thereby resulting in pain, bleeding, or hemorrhoids.
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