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Crohn's disease is a type of chronic Inflammatory Bowel Disease (IBD) that causes inflammation of the digestive tract lining. This inflammation can affect any part of the gastrointestinal tract, from the mouth to the anus, often occurring in patches.
read more about crohns disease ...The mechanism is an abnormal immune system response. The immune system mistakenly attacks the digestive tract, causing chronic inflammation, ulcers, and thickening of the intestinal wall.
Symptoms tend to come in cycles with flares and periods of remission. Diarrhea, cramping abdominal pain, fatigue, and weight loss are common. Some people notice blood or mucus in the stool, urgency, or a sensation of incomplete emptying. Mouth sores, anemia, and low appetite can develop during active disease. Long-standing inflammation can lead to strictures that trigger bloating and post-meal discomfort.
Crohn's disease impacts eye health as a systemic inflammatory disorder. Patients may develop inflammation in the eye tissues, such as uveitis (inflammation inside the eye), episcleritis (redness on the surface), or chronic dry eyes.
Management involves medication (anti-inflammatory drugs, immune system suppressors, or biologic therapies) to reduce inflammation and induce remission. Diet modifications are also necessary to manage symptoms during flares.
Potential complications include intestinal strictures (narrowing), abscesses, malnutrition, and, outside the gut, arthritis, skin lesions, and eye inflammation.
No, Crohn's disease is chronic and has no cure, but medications can successfully manage inflammation and symptoms.
No, ulcerative colitis is confined to the large intestine. Crohn's can affect any part of the digestive tract from mouth to anus.
Surgery is often needed to remove damaged sections, but it is not a cure and does not prevent future inflammation elsewhere.
Consult a GI specialist if you notice blood in your stool, persistent diarrhea, or a perianal fistula (an abnormal tunnel near the anus). Crohn's can lead to intestinal obstructions (strictures). Regular colonoscopies are needed to monitor for colon cancer risk.
NIDDK. Crohn's Disease (niddk.nih.gov). 2024.
NHS. Crohn's Disease (nhs.uk). 2023.
MedlinePlus. Crohn's Disease (medlineplus.gov). 2023.
Mayo Clinic. Crohn's Symptoms (mayoclinic.org). 2025.