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Crohn's disease and ulcerative colitis: what's the difference?

Learn about the differences and similarities between chronic intestinal diseases.

Crohn's disease and ulcerative colitis: what's the difference?

MedWatcher Quick Facts

  • Both diseases are forms of chronic inflammatory bowel disease
  • Crohn's disease can affect the entire digestive tract
  • Ulcerative colitis only affects the large intestine

What is chronic inflammatory bowel disease (IBD)?

First of all, it is important to understand that both Crohn's disease and ulcerative colitis belong to the group of chronic inflammatory bowel diseases (IBD). In English, the term is also known as IBD (inflammatory bowel disease). These are diseases in which parts of the digestive tract are inflamed. The causes of IBD are not yet fully understood, but genetic factors, the immune system and environmental factors all play a role.

Crohn's disease: everywhere and deep

Crohn's disease is a form of IBD that can affect any part of your digestive tract from mouth to anus. The inflammation is often deeper in the tissue and can have "skipping" patterns, with healthy sections lying between the inflamed areas. Typical symptoms include abdominal pain, diarrhea, loss of appetite and weight loss. Complications such as fistulas or abscesses can occur.

Ulcerative colitis: superficial and in the large intestine

In contrast to Crohn's disease, ulcerative colitis only affects the large intestine. The inflammation tends to be superficial and is limited to the innermost layer of the intestine. The disease often begins in the rectum and can then spread continuously in the large intestine. Typical symptoms are bloody diarrhea, pain and the urge to defecate.

Similarities and differences

While both diseases are characterized by inflamed intestinal areas, they differ in their occurrence and localization. However, in both, diet often plays a crucial role in symptom control. It's important to talk to your doctor about the best dietary and treatment strategies for your particular situation.

Now that you know a little more about Crohn's disease and ulcerative colitis, the above information can help you to better understand the symptoms you are experiencing and find the right treatment for you.

Note: This article is for informational purposes only. If you have any health concerns or questions about this topic, you should always consult your doctor or pharmacist.

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