Department of Medicine, Division of Gastroenterology
Digestive System Diseases | Gastroenterology | Therapeutics
Microscopic colitis (MC) is a chronic inflammatory bowel disease characterized by nonbloody diarrhea in the setting of normal appearing colonic mucosa. MC has two main subtypes based on histopathologic features, collagenous colitis and lymphocytic colitis. Management of both subtypes is the same, with treatment goal of reducing the number of bowel movements and improving consistency. First-line treatment involves counseling the patient about decreasing their risk factors, like discontinuing smoking and avoiding medications with suspected association such as NSAIDs, proton pump inhibitor, ranitidine, and sertraline. Starting loperamide for immediate symptomatic relief is used as an adjunct to therapy with glucocorticoids. Budesonide is considered first-line treatment for MC given its favorable side effect profile and good efficacy, though relapse rates are high. Systemic glucocorticoids should be reserved to patients unable to take budesonide. In glucocorticoid refractory disease, medications that have been tried include cholestyramine, bismuth salicylate, antibiotics, probiotics, aminosalicylates, immunomodulators, and anti-tumor necrosis factor-alpha inhibitors. More research is needed for the creation of a systematic stepwise approach for relapsing and refractory disease.
collagenous colitis, diarrhea, inflammatory colitis, lymphocytic colitis, management, microscopic colitis
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DOI of Published Version
Clin Exp Gastroenterol. 2019 Feb 27;12:111-120. doi: 10.2147/CEG.S165047. eCollection 2019. Link to article on publisher's site
Clinical and experimental gastroenterology
Shor J, Churrango G, Hosseini N, Marshall C. (2019). Management of microscopic colitis: challenges and solutions. Open Access Publications by UMass Chan Authors. https://doi.org/10.2147/CEG.S165047. Retrieved from https://escholarship.umassmed.edu/oapubs/3771
Creative Commons License
This work is licensed under a Creative Commons Attribution-Noncommercial 3.0 License