• Inflammation of the peritoneum
  • Peritoneum is the thin tissue that lines the inner wall of the abdomen
  • Serious condition that needs immediate medical attention


  • Abdominal pain or tenderness
  • Bloating or a feeling of fullness (distention) in the abdomen
  • Fever
  • Nausea and vomiting
  • Loss of appetite
  • Diarrhea
  • Low urine output
  • Thirst
  • Inability to pass stool or gas
  • Fatigue
  • Chills
  • Racing heartbeat
  • Shortness of breath


  • An abdominal wound or injury
  • A ruptured appendix
  • A stomach ulcer
  • A perforated colon
  • Diverticulitis
  • Pancreatitis
  • Cirrhosis of the liver or other types of liver disease
  • Infection of the gallbladder, intestines, or bloodstream
  • Pelvic inflammatory disease
  • Crohn’s disease
  • Invasive medical procedures

Risk Factors

  • Peritoneal dialysis
  • Other medical conditions
  • History of Peritonitis

Diagnostic Tests

  • Complete blood count (CBC)
  • X-rays
  • Computerized tomography (CT) Scan
  • Peritoneal fluid analysis


  • Antibiotic therapy
  • Surgerical procedure to remove infected tissue
  • Pain medications
  • Intravenous (IV) fluids
  • Supplemental oxygen
  • Blood transfusion


  • If receiving peritoneal dialysis:
  • Wash hands thoroughly before touching the catheter
  • Clean the skin around the catheter with an antiseptic
  • Store the supplies in a sanitary area
  • Wear a surgical mask during dialysis fluid exchanges
  • Do not sleep with the pets (if any)
  • Talk with the dialysis care team