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Rectal tenesmus is a feeling of incomplete defecation. [1] It is the sensation of inability or difficulty to empty the bowel at defecation, even if the bowel contents have already been evacuated. Tenesmus indicates the feeling of a residue, and is not always correlated with the actual presence of residual fecal matter in the rectum.
IBS can negatively affect quality of life and may result in missed school or work or reduced productivity at work. [13] Disorders such as anxiety, major depression, and chronic fatigue syndrome are common among people with IBS. [1] [14] [note 1] [15] The cause of IBS is not known but multiple factors have been proposed to lead to the condition. [2]
A lower gastrointestinal bleed is defined as bleeding originating distal to the ileocecal valve, which includes the colon, rectum, and anus. [2] LGIB was previously defined as any bleed that occurs distal to the ligament of Treitz, which included the aforementioned parts of the intestine and also included the last 1/4 of the duodenum and the entire area of the jejunum and ileum. [1]
Fatigue is a common symptom of IBD and can be a burden. [113] Around one-third of individuals with IBD experience persistent gastrointestinal symptoms similar to irritable bowel syndrome (IBS) in the absence of objective evidence of disease activity. [114]
Gastrointestinal bleeding can range from small non-visible amounts, which are only detected by laboratory testing, to massive bleeding where bright red blood is passed and shock develops. Rapid bleeding may cause syncope. [18] The presence of bright red blood in stool, known as hematochezia, typically indicates lower gastrointestinal bleeding.
One type of constipation which may occur in people with neurogenic bowel dysfunction is obstructed defecation. [ 10 ] Neurogenic bowel dysfunction can have an impact on a person's life as it often leads to difficulties with self-esteem, personal relationships, social life and can also reduce a person's independence. [ 5 ]
It can occur in both children and adults, and in both men and women (although it is more common in women). It can be caused by physical defects or it can occur for other reasons or unknown reasons. Anismus that has a behavioral cause could be viewed as having similarities with parcopresis, or psychogenic fecal retention. [citation needed]
Obstructed defecation is one of the causes of chronic constipation. [22] ODS is a loose term, [ 20 ] consisting of a constellation of possible symptoms, [ 7 ] caused by multiple, complex [ 23 ] and poorly understood [ 24 ] disorders which may include both functional and organic disorders. [ 18 ]