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While the causes of IBS are still unknown, it is believed that the entire gut–brain axis is affected. [30] [31] Recent findings suggest that an allergy triggered peripheral immune mechanism may underlie the symptoms associated with abdominal pain in patients with irritable bowel syndrome. [32] IBS is more prevalent in obese patients. [33]
B3a. Chronic nausea vomiting syndrome (CNVS) B3b. Cyclic vomiting syndrome (CVS) B3c. Cannabinoid hyperemesis syndrome (CHS) B4. Rumination syndrome; C. Bowel disorders. C1. Irritable bowel syndrome (IBS) IBS with predominant constipation (IBS-C) IBS with predominant diarrhea (IBS-D) IBS with mixed bowel habits (IBS-M) IBS unclassified (IBS-U) C2.
Irritable bowel syndrome (IBS) can cause many abdominal issues such as symptoms of constipation, diarrhea, gas, bloating, and abdominal pain. IBS can be stress-induced and flare-ups are associated with bouts of stress. The gut-brain axis may explain this.
Inflammatory bowel disease (IBD) is a group of inflammatory conditions of the colon and small intestine, with Crohn's disease and ulcerative colitis (UC) being the principal types. [3] Crohn's disease affects the small intestine and large intestine, as well as the mouth, esophagus, stomach and the anus, whereas UC primarily affects the colon ...
The Manning criteria are a diagnostic algorithm used in the diagnosis of irritable bowel syndrome (IBS). The criteria consist of a list of questions the physician can ask the patient. [ 1 ] The answers are used in a process to produce a diagnostic decision regarding whether the patient can be considered to have IBS.
Causes of constipation may include faecal impaction and bowel obstruction, which may in turn be caused by ileus, intussusception, volvulus. Inflammatory bowel disease is a condition of unknown aetiology, classified as either Crohn's disease or ulcerative colitis , that can affect the intestines and other parts of the gastrointestinal tract.
Functional abdominal pain syndrome is a functional gastrointestinal disorder. [4] Functional gastrointestinal disorders (FGD) are common medical conditions characterized by recurrent and persistent gastrointestinal symptoms caused by improper functioning of the enteric system in the absence of any identifiable organic or structural pathology, such as ulcers, inflammation, tumors or masses.