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Crohn’s disease

Crohn’s disease

Dr. Swati Mishra
Written By Dr. Swati MishraBDS
Reviewed By Dr. Rajeev Sharma
MBA, MBBS
Last updated on: 24 Feb 2026 | 12:20 PM (IST)
Also known as Regional enteritis
Overview

 

Crohn's disease is an inflammatory bowel disease (IBD) that causes chronic inflammation (swelling) and damage to the GI tract. The GI tract is in charge of digestion, nutrient absorption, and waste elimination.

 

Crohn's disease may manifest in "patches," affecting some areas of the GI tract while leaving others unaffected.

 

Inflammation (swelling) impairs the ability of the affected GI organs to function normally, resulting in symptoms such as chronic diarrhea, abdominal pain, rectal bleeding, weight loss, and fatigue. Symptoms differ and can shift over time. The disease can cause life-threatening flares and complications in severe cases.

 

The initial laboratory evaluation detects inflammation and screens for other diagnoses. To confirm the diagnosis and determine the extent of disease, endoscopy and cross-sectional imaging are used. Treatment decisions are guided by disease severity and risk of poor outcomes.

 

Treatment for Crohn's disease and other IBD types may include medication, dietary and nutritional changes, and, in some cases, surgical procedures to repair or remove affected portions of your GI tract.

 

Crohn's disease patients are more likely to develop cancer, osteoporosis, anemia, nutritional deficiencies, depression, infection, and thrombotic (blood clotting) events. It is critical to maximize prevention measures when caring for these patients.

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Overview
Key Facts
Symptoms
Types
Causes
Risk factors
Diagnosis
Prevention
Specialist to visit
Treatment
Complications
Alternatives therapies
FAQs
References