Patients with mild diverticulitis, typically Hinchey stage I disease, can be started on an outpatient treatment regimen. This consists of a clear liquid diet and 7-10 days of oral broad-spectrum antimicrobial therapy, which covers anaerobic microorganisms, such as Bacteroides fragilis and Peptostreptococcus and Clostridium organisms, as well as aerobic microorganisms, such as Escherichia coli and Klebsiella, Proteus, Streptococcus, and Enterobacter organisms. Single and multiple antibiotic regimens are equally effective, as long as both groups of organisms are covered. According to the World Gastroenterology Organisation (WGO) 2007 practice guidelines for diverticular disease, such a regimen should result in improvement within 48-72 hours.
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Cite this: Jaime Shalkow. Fast Five Quiz: How Much Do You Know About Diverticulitis? - Medscape - May 09, 2016.