irritable bowel syndrome

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irritable bowel syndrome

(IBS), condition characterized by constipation, diarrhea, or alternating constipation and diarrhea in the absence of any disease process. It is usually accompanied by abdominal pain, especially in the lower left quadrant, bloating, and flatulence. Other symptoms, such as heartburn, lower back pain, and agitation, may be present concurrently. The cause of irritable bowel syndrome is unknown. There is no test for the disorder, though tests may be done to rule out other conditions that have similar symptoms; on examination there are no physical abnormalities. The symptoms result from a disturbance of the normal peristaltic movements of the lower intestine. IBS is the most common gastrointestinal complaint in the United States. It affects twice as many women as it does men. In some individuals it is made worse by emotional stress, spicy foods, or excessive caffeine consumption. Symptoms can be minimized by a high-fiber diet and other dietary changes and antispasmodic drugs. Acupuncture is helpful in many cases.

irritable bowel syndrome

[‚ir·id·ə·bəl ′bau̇l ‚sin‚drōm]
(medicine)
A gastrointestinal disorder of unknown cause that is characterized by increased intestinal motility, causing recurrent abdominal pain, constipation or diarrhea that may alternate, and sensation of gaseousness and bloating.
References in periodicals archive ?
Comparison of endoscopic diagnostic yield between untrained physicians [non-gastroenterologists] and trained physicians [gastroenterologists] showed that there was no difference in the proportion of patients having duodenal ulcer and nonulcer dyspepsia [NUD] (p=0.
pylori eradication therapy in patients with nonulcer dyspepsia [22].
In addition, a prospective cohort study of Japanese patients with nonulcer dyspepsia found that 4.
The pathophysiology of nonulcer dyspepsia (NUD) is not definitively known, though factors implicated include gastric acid secretion, gastro-duodenal dysmotility, visceral hypersensitivity, stress, and psychological factors.
Findings from a prospective long-term study of 1,526 consecutive patients presenting with either active duodenal or gastric ulcers, gastric hyperplastic polyps, or nonulcer dyspepsia showed that 1,246 were infected with H.
POPULATION STUDIED The authors combined the results of 10 studies of therapy of 1747 patients with nonulcer dyspepsia and documented H pylori infection.
About 30% of patients with nonulcer dyspepsia have a concurrent H.
Is Helicobacter pylori associated with nonulcer dyspepsia and will eradication improve symptoms?
BACKGROUND * Although H pylori is associated with peptic ulcer disease, chronic gastritis, and other syndromes, its role in nonulcer dyspepsia is much more controversial.
Symptomatic benefit from eradicating helicobacter pylori infection in patients with nonulcer dyspepsia.
For nonulcer dyspepsia, high positive predictive values are found.
Nonulcer dyspepsia refers to the symptoms of a peptic ulcer, but no ulcer is detected by endoscopy.