Alternate Names : Anal abscess, Rectal abscess, Abscess – anorectal
An anorectal abscess is a collection of pus in the area of the anus and rectum.
Overview, Causes, & Risk Factors
Common causes include:
* Blocked gland in the area
* Infection of an anal fissure
* Sexually transmitted infection
Deep rectal abscesses may be caused by intestinal disorders such as Crohn’s disease or diverticulitis.
The following factors increase your risk for an anorectal abscess:
* Anal sex
* Inflammatory bowel disease (Crohn’s disease and ulcerative colitis)
* Weakened immune system
The condition may occur in infants and toddlers who are still in diapers and who have a history of anal fissures.
Pictures & Images
Reviewed By : Linda Vorvick, MD, Family Physician, Seattle Site Coordinator, Lecturer, Pathophysiology, MEDEX Northwest Division of Physician Assistant Studies, University of Washington School of Medicine; George F. Longstreth, MD, Department of Gastroenterology, Kaiser Permanente Medical Care Program, San Diego, CA. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.