Definition of Intra-abdominal abscess:

An intra-abdominal abscess is an infected pocket of fluid and pus located inside the belly area (abdominal cavity). There may be more than one abscess.

Causes, incidence, and risk factors:

An intra-abdominal abscess can be caused by a ruptured appendix, ruptured diverticula, intestinal parasitism (Entamoeba histolytica), or other condition.

Risk factors for intra-abdominal abscess include a history of appendicitis, diverticulitis, perforated ulcer disease, or any surgery that may have infected the abdominal cavity.