Lymphocytic colitis is a subtype of microscopic colitis, a condition characterized by chronic non-bloody watery diarrhea. Presentation
Causes
No definite cause has been determined. The peak incidence of lymphocytic colitis is in persons over age 50; the disease affects women and men equally. Some reports have implicated long-term usage of NSAIDs, proton pump inhibitors, and selective serotonin reuptake inhibitors, and other drugs. Associations with other autoimmune disorders suggests that overactive immune responses occur. Diagnosis
The colonoscopy is normal but histology of the mucosal biopsy reveals an accumulation of lymphocytes in the colonic epithelium and connective tissue (lamina propria). Collagenous colitis shares this feature but additionally shows a distinctive thickening of the subepithelial collagen table. Treatment
Budesonide, in colonic release preparations, has been shown in randomized controlled trials to be effective in treating this disorder. It helps control the diarrheal symptoms and treatment is usually given for several weeks. Sometimes it is used to prevent frequent relapses.Over-the-counter antidiarrheal drugs may be effective for some people with lymphocytic colitis. Anti-inflammatory drugs, such as salicylates, mesalazine, and systemic corticosteroids may be prescribed for people who do not respond to other drug treatment. The long-term prognosis for this disease is good with a proportion of people suffering relapses which respond to treatment. History
Lymphocytic colitis was first described in 1989. See also
Colitis

References
External links

NIH 
eMedicine.com
There is also evidence from a systematic review of randomized controlled trials that chewing gum, as a form of sham feeding, may stimulate gastrointestinal motility in the post-operative period and reduce the duration of postoperative ileus.If possible the underlying cause is corrected (e.g. replace electrolytes). Other animals
Ileus is a cause of colic in horses due to functional obstruction of the intestines. It is most commonly seen in horses postoperatively, especially following colic surgery. Horses experiencing ileus are at risk for gastric rupture due to rapid reflux build-up, and require intense medical management with frequent nasogastric intubation. Ileus may increase adhesion formation, because intestinal segments have more prolonged contact and intestinal distention causes serosal injury and ischemia. It is usually treated with aggressive fluid support, prokinetics, and anti-inflammatories. Terminology
ICD-10 coding reflects both impaired-peristalsis senses and mechanical-obstruction senses of the term as modified by various adjectives. Some authors have argued for trying to reserve the term for the impaired-peristalsis senses, under which prescription certain older terms such as "gallstone ileus" and "meconium ileus", although now technically misnomers, are still accepted as correct owing to their long-established usage. References
External links

MedlinePlus Encyclopedia: Intestinal Obstruction
Patient UK: Intestinal Obstruction and Ileus
PubMed Health: Intestinal obstruction
Ileus at eMedicine
Merck Manual Professional: Ileus