October 19th is World Inflammatory Bowel Disease Day. This disease is more common in young people but is often mistaken for “ordinary gastroenteritis”. This article will give you a scientific understanding of this “invisible epidemic” from the causes, symptoms to treatment.
Myth 1: Is IBD just diarrhea? Don’t be fooled by appearances!
Inflammatory bowel disease (IBD), including ulcerative colitis (UC) and Crohn’s disease (CD), is a chronic inflammatory disease that often occurs in young adults and primarily affects the gastrointestinal tract. Its core problem is a dysfunctional intestinal immune system, leading to recurrent mucosal ulcers, bleeding, and even perforation.
Inflammation in ulcerative colitis is typically confined to the mucosal surface. The peak age of onset is 20-49 years, with no significant gender difference. Common symptoms include persistent or recurring diarrhea, stools mixed with mucus and blood, accompanied by abdominal pain and a constant urge to defecate. Fever, malaise, and weight loss may also occur.
The peak age of onset for Crohn’s disease is 18-35 years. Common symptoms include diarrhea, abdominal pain, blood in the stool, and may also include perianal discomfort, fever, loss of appetite, fatigue, weakness, and weight loss. The inflammation can permeate the entire intestinal wall, leading to serious complications such as intestinal obstruction and fistulas. It’s far more than just diarrhea. Data shows that approximately 30% of Crohn’s disease patients in my country present with perianal abscesses or fistulas as their first symptoms, which can be misdiagnosed as hemorrhoids.
Myth 2: Is IBD a “diet-induced disease”? Can dietary restrictions cure it?
Research shows that IBD is associated with genetic susceptibility, intestinal flora imbalance, and immune disorders, and diet is not a direct cause. However, high-sugar and high-fat diets can exacerbate inflammation, so patients should adjust their diet under the guidance of a doctor rather than blindly avoiding certain foods.
The low-FODMAP diet is a dietary plan designed for intestinal diseases like IBD. By limiting the intake of fermentable oligosaccharides, disaccharides, monosaccharides, and polyols (FODMAPs), it reduces intestinal gas production and symptoms such as bloating and pain. It can alleviate symptoms and improve quality of life for some patients, but it requires personalized treatment.
