How Crohn’s Disease Affects Your Body

Though Crohn’s disease is a disorder of the digestive tract, that’s far from the only place it causes problems.

Reviewed by Neha Pathak, MD on October 28, 2021



Crohn’s & Colitis Foundation: “Intestinal Complications Fact Sheet,” “The Facts About Inflammatory Bowel Diseases,” “Liver Disease and IBD,” “Arthritis and Joint Pain,” “Eye Complications in IBD,” “Extraintestinal Complications: Kidney Disorders,” “Bone Loss.”

Intestinal Research: “Intestinal Stricture in Crohn's Disease.”

Clinics in Colon and Rectal Surgery: “Perianal Crohn's Disease.”

American Society of Colon and Rectal Surgeons: “Abscess and Fistula Expanded Information.”

World Journal of Gastrointestinal Endoscopy: “Management of abdominal and pelvic abscess in Crohn’s disease,” “Colorectal cancer risk in Crohn’s disease,” “Oral manifestation in inflammatory bowel disease: A review.”

American Family Physician: “Management of Aphthous Ulcers,” “Diagnosis and Management of Crohn's Disease.”

Gastroenterology: “Consensus Statements on the Risk, Prevention, and Treatment of Venous Thromboembolism in Inflammatory Bowel Disease: Canadian Association of Gastroenterology.”

Baylor College of Medicine: “Crohn’s Disease.”

Mayo Clinic: “Pyoderma gangrenosum,” “Interstitial lung disease,” “Cryptogenic organizing pneumonia.”

USC Center for Pancreatic and Biliary Disease: “What is the Gallbladder and the Bile Duct.”

National Heart Lung and Blood Institute: “What Is Pernicious Anemia?” “What Is Bronchiectasis?”

Sao Paulo Medical Journal: “Anemia in inflammatory bowel disease: prevalence, differential diagnosis and association with clinical and laboratory variables.”

Women’ “Inflammatory Bowel Disease.”

Inflammatory Bowel Diseases: “Extraintestinal Manifestations of Inflammatory Bowel Disease.”

Archives of Medical Science: “Pulmonary manifestations of inflammatory bowel disease.”

Journal of Crohn’s and Colitis: “Pulmonary abnormalities in inflammatory bowel disease.”

American Academy of Family Physicians: “Chronic Bronchitis: Primary Care Management”

Pediatric Pulmonology: “Organizing pneumonia as an extraintestinal manifestation of Crohn's disease in a child.”

National Institutes of Health: "Pulmonary manifestations of Crohn’s disease," "Sacroiliitis Is Common in Crohn's Disease Patients with Perianal or Upper Gastrointestinal Involvement," "Colorectal cancer risk in Crohn’s disease."

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