Diverticulitis is the acute inflammation of the diverticulum or saclike protrusion from the wall of the intestines caused by injury and bacterial proliferation. 
Abdominal pain is usually localized to the left lower quadrant, is abrupt, steady, severe and worsens over time.
Other signs and symptoms are fever, anorexia, nausea, vomiting, and altered bowel movements especially constipation but may also present with diarrhea or tenesmus.

Diverticulitis References

  1. Mazuski JE, Sawyer RG, Nathens AB, et al. The Surgical Infection Society guidelines on antimicrobial therapy for intra-abdominal infections: evidence for the recommendations. Surg Infect (Larchmt). 2002;3(3):175-233. PMID: 12542923
  2. Solomkin JS, Mazuski JE, Baron EJ, et al; Infectious Diseases Society of America. Guidelines for the selection of anti-infective agents for complicated intra-abdominal infections. Clin Infect Dis. 2003 Oct;37(8):997-1005. PMID: 14523762
  3. MedWormhttp://www.medworm.com/rss/index.php/Gastroenterology/17/http://www.medworm.com/rss/medicalfeeds/specialities/Gastroenterology.xml
  4. Kazzi AA, Kazzi Z. Diverticular disease. http://www.emedicine.com/. Dec 2004. Accessed 19 Jun 2005.
  5. American College of Radiology, Expert Panel on Gastrointestinal Imaging. Evaluation of left lower quadrant pain, ACR Appropriateness Criteria. http://www.acr.org/. 2003. Accessed 19 Jun 2005.
  6. The Society for Surgery of the Alimentary Tract (SSAT) Patient Care Guidelines. Surgical treatment of diverticulitis. http://www.ssat.com/cgi-bin/divert.cgi. 2003. Accessed 19 Jun 2005
  7. The Standard Task Force, The American Society of Colon and Rectal Surgeons. Practice parameters for the treatment of sigmoid diverticulitis [supporting documentation]. http://www.fascrs.org/displaycommon.cfm?an=1&subarticlenbr=150. Accessed 19 Jun 2005
  8. Andersen JC, Bundgaard L, Elbrønd H, Laurberg S, Walker LR, Støvring J; Danish Surgical Society. Danish national guidelines for treatment of diverticular disease. Dan Med J. 2012 May;59(5):C4453. http://www.danmedj.dk/portal/pls/portal/!PORTAL.wwpob_page.show?_docname=9020912.PDF. Accessed 10 Mar 2014. PMID: 22549495
  9. Feingold D, Steele SR, Lee S, et al. Practice parameters for the treatment of sigmoid diverticulitis. Dis Colon Rectum. 2014 Mar;57(3):284-94. doi: 10.1097/DCR.0000000000000075. Accessed 11 Mar 2014. PMID: 24509449
  10. Young-Fadok T, Pemberton JH. Treatment of acute diverticulitis. UpToDate. http://www.uptodate.com/. 10 Feb 2014. Accessed 10 Mar 2014.
  11. Ministry of Health Malaysia. National antibiotic guideline 2014, 2nd edition. Pharmaceutical Services Divisions, Ministry of Health Malaysia. http://www.pharmacy.gov.my. Dec 2014. Accessed 16 Jul 2015.
  12. Floch MH, Longo WE. United States guidelines for diverticulitis treatment. J Clin Gastroenterol. 2016 Oct;50(Suppl 1):S53-S56. doi: 10.1097/MCG.0000000000000668. Accessed 26 Oct 2016. PMID: 27622366
  13. Stollman N, Smalley W, Hirano I; AGA Institute Clinical Guidelines Committee. American Gastroenterological Association Institute guideline on the management of acute diverticulitis. Gastroenterology. 2015 Dec;149(7):1944-1949. http://www.gastrojournal.org/. Accessed 26 Oct 2016. PMID: 26453777
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