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Inflammatory Bowel Disease (IBD) is a group of chronic inflammatory conditions that affect the digestive tract, causing inflammation in the intestines. The two primary types of IBD are Crohn’s Disease and Ulcerative Colitis, which share some similarities but differ in the areas of the digestive tract they affect and their symptoms.
Although the exact cause of IBD is not fully known, it is believed to involve an abnormal immune response that leads to chronic inflammation. Diagnosis requires a combination of medical history, physical examination, laboratory tests, and endoscopic evaluations. Treatment options may include dietary management, medications, and surgery to help control inflammation and manage symptoms.
Inflammatory bowel disease (IBD) is more than an occasional digestive problem. It is a chronic condition that causes ongoing inflammation in the digestive tract, often leading to recurring symptoms such as abdominal pain, diarrhea, fatigue, and weight loss. The two main forms of IBD are Crohn’s disease and ulcerative colitis. Although IBD is a lifelong condition, early diagnosis and the right treatment can help control inflammation, reduce flare-ups, and support a better quality of life.
|
Category |
Crohn’s Disease |
Ulcerative Colitis |
|
Affected Area |
Can affect any part of the gastrointestinal tract, from the mouth to the anus. It commonly affects the last part of the small intestine and the first part of the large intestine. |
Affects only the rectum and colon |
|
Location and Pattern of Inflammation |
Inflammation can occur in different areas of the digestive tract, causing affected areas to become red, swollen, and ulcerated. |
The disease usually begins in the rectal area and may gradually extend through the entire large intestine. |
|
Depth of Inflammation and Tissue Changes |
Inflammation can affect deeper layers of the intestinal wall. As ulcers heal, scar tissue may develop, causing the intestine to become narrower and potentially causing obstruction. |
Inflammation affects the lining of the rectum and colon. Repeated inflammation can lead to thickening of the intestinal wall and rectum with scar tissue formation. |
The exact cause of Inflammatory Bowel Disease (IBD) is not clearly known. However, many experts believe that IBD may occur due to an abnormal immune system response.
Normally, the immune system protects the body from harmful substances. In people with IBD, the immune system may mistakenly react to normal bacteria in the digestive tract, foods, or other substances as if they are foreign invaders.
This immune response causes white blood cells to build up in the intestinal lining, resulting in chronic inflammation. Over time, ongoing inflammation may damage the intestine and contribute to complications such as bowel obstruction.
Inflammatory Bowel Disease can affect people of all ages. However, certain factors may increase the likelihood of developing Crohn’s Disease or Ulcerative Colitis.
|
Symptoms |
Crohn’s Disease |
Ulcerative Colitis |
|
Abdominal pain |
Common, often in the lower right abdomen |
Common, often improves after a bowel movement |
|
Diarrhea |
Chronic; blood or mucus may occur |
Frequent; blood and mucus are common |
|
Rectal bleeding |
May occur |
Common |
|
Weight loss |
Common |
May occur |
|
Fever |
May occur |
May occur |
|
Nausea and vomiting |
May occur |
May occur |
|
Fatigue |
Common |
Common |
|
Mouth or anal sores |
May occur |
Less common |
|
Joint pain |
May occur |
May occur |
|
Tenesmus |
Less common |
More common |
How Crohn’s Disease and Ulcerative Colitis Differ
IBD diagnosis can be challenging because its symptoms may overlap with other gastrointestinal disorders. There is no single test that can definitively diagnose Inflammatory Bowel Disease (IBD). Doctors usually combine a patient’s medical history, physical examination, laboratory tests, and endoscopic examinations to make an accurate diagnosis and rule out other digestive tract conditions.
Diagnostic evaluations may include:
Treatment for Inflammatory Bowel Disease (IBD) aims to control inflammation, relieve symptoms, and prevent complications. Depending on the severity of the condition, treatment may include dietary management, medications, or surgery.
There is no specific di et prove n to improve or worsen intestinal inflammation in Crohn’s Disease. However, maintaining adequate <p>intake of calories, vitamins, and protein is important to help prevent malnutrition and weight loss.
During periods of symptoms, dietary recommendations may include:
Medications are used to control inflammation and manage symptoms. Depending on disease severity, treatment may include anti-inflammatory medications, corticosteroids, immunomodulators, antibiotics, and biologic therapy.
If medications do not effectively control Inflammatory Bowel Disease (IBD), surgery may be considered to remove damaged or diseased areas of the intestine or to manage complications such as abscesses.
For patients with Ulcerative Colitis, a common surgical procedure is proctocolectomy with creation of a pelvic pouch (J-pouch). During this procedure, the large intestine is removed, and the last part of the small intestine (ileum) is used to create an internal pouch that is connected to the rectum, allowing more normal elimination.
For patients with Crohn’s Disease, bowel surgery may be needed at some point. However, unlike Ulcerative Colitis, removing the diseased portion of the intestine does not cure the condition because inflammation can return in other areas of the digestive tract
At Vejthani International Hospital’s Gastroenterology and Hepatology Center, experienced doctors and trained medical staff specializing in gastrointestinal health provide diagnostic evaluations and treatment options for gastrointestinal conditions. By focusing on accurate diagnosis and individualized treatment, the team helps patients better understand their conditions and receive appropriate treatment throughout their journey.
Inflammatory Bowel Disease (IBD) can cause complications when ongoing inflammation damages the digestive tract over time. The type and severity of complications may vary between Crohn’s Disease and Ulcerative Colitis.
Common complications may include:
Crohn’s Disease and Ulcerative Colitis are the two main types of Inflammatory Bowel Disease (IBD). Crohn’s Disease can affect any part of the gastrointestinal tract, while Ulcerative Colitis affects only the rectum and colon. They also differ in the pattern and depth of inflammation within the digestive tract.
The exact cause of Inflammatory Bowel Disease (IBD) is not fully known. However, many experts believe that IBD may occur due to an abnormal immune system response. The immune system may mistakenly react to normal bacteria in the digestive tract or other substances, leading to chronic intestinal inflammation.
Symptoms of IBD may vary depending on the type and severity of inflammation. Common symptoms include abdominal pain, diarrhea, weight loss, fatigue, nausea, and gastrointestinal bleeding. Ulcerative Colitis may commonly cause bloody diarrhea and rectal bleeding, while Crohn’s Disease may cause abdominal pain, chronic diarrhea, and mouth or anal sores.
Diagnosing IBD can be challenging because its symptoms may overlap with other gastrointestinal disorders. Doctors usually combine medical history, physical examination, laboratory tests, and endoscopic examinations, such as colonoscopy or sigmoidoscopy, to confirm the diagnosis and rule out other digestive tract conditions.
IBD is a chronic inflammatory condition that requires long-term management. Treatment aims to control inflammation, manage symptoms, and improve quality of life. While surgery may help manage certain complications, removing the affected portion of the intestine does not cure Crohn’s Disease.
Gastroenterology and Hepatology Center, Vejthani Hospital
Call: (+66)2-734-0000 Ext. 2960, 2961, 2966
English Hotline: (+66)85-223-8888
Internal Medicine
Gastroenterology and Hepatology
