An anorectal abscess is a localized collection of pus in the perirectal spaces. Abscesses usually originate in an anal crypt.
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Am J Dis Child ; 4: However, we should encourage the selective use of antimicrobial agents on a case-by-case basis, especially because there is no evidence that uncomplicated perianal abscesses can be safely treated only with drainage. Patients who had fi stulas with PAes, chronic perianal Crohn's fi stulas, perineal and scrotal soft tissue necrosis, or pilonidal abscesses, and who used antibiotic before culture were excluded from the study.
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