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Bowel obstruction, also known as intestinal obstruction, is a mechanical or functional obstruction of the intestines which prevents the normal movement of the products of digestion. [2] [5] Either the small bowel or large bowel may be affected. [1] Signs and symptoms include abdominal pain, vomiting, bloating and not passing gas. [1]
Biofeedback has been shown to improve symptoms (improved frequency of bowel movements, reduced straining) and also reduce need for laxatives, [16] and patients stop needing to self-digitate. [24] Biofeedback can successfully treat abnormal contraction and relaxation of muscles in the anorectum during defecation. [ 24 ]
However, instances with symptoms and signs of a bowel obstruction occur, but with the absence of a mechanical obstruction, mainly in acute colonic pseudo-obstruction, Ogilvie's syndrome. [3] In 2023 the US FDA reported gastrointestinal ileus as an adverse effect of the medication semaglutide , with frequency and causal relationship unknown.
The underlying cause may involve infection, inflammation, vascular occlusion or bowel obstruction. [7] The pain may elicit nausea and vomiting, abdominal distention, fever and signs of shock. [7] A common condition associated with acute abdominal pain is appendicitis. [8] Here is a list of acute abdomen causes:
Anismus is classified as a functional defecation disorder. It is also a type of rectal outlet obstruction (a functional outlet obstruction). Where anismus causes constipation, it is an example of functional constipation. Many authors describe an "obstructed defecation syndrome", of which anismus is a cause. [24]
IBS or irritable bowel syndrome is a digestive disorder that impacts the large intestine (colon) and causes uncomfortable symptoms like abdominal pain, bloating, and changes in bowel movements.
Bowel infarction or gangrenous bowel represents an irreversible injury to the intestine resulting from insufficient blood flow. It is considered a medical emergency because it can quickly result in life-threatening infection and death. [1] Any cause of bowel ischemia, the earlier reversible form of injury, may ultimately lead to infarction if ...
Lisa Marie Presley died years after bariatric surgery from a complication. Her cause of death was small bowel obstruction. Know the symptoms and causes.