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Small Intestine Disorders

This category comprises disorders of the small intestine involve damage to any of its layers and structures or impairment of its functions due to malnutrition, hormonal imbalance, immune mechanisms, and malignancy. The small intestine is the abdominal organ where most digestion occurs. It measures about 20 feet and includes the duodenum, jejunum, and ileum.

Candida Albicans Infection

What Is Candida Albicans Infection? Candida albicans infection, called candidosis or candidiasis, is an opportunistic invasion of mucous membrane or skin by candida albicans, an endogenous yeast found in 40 to 80% of normal human beings. A former name for ...

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Dysbiosis (Intestinal)

What Is Intestinal Dysbiosis? Intestinal dysbiosis is an imbalance of the composition and quantity of microbe populations (called the microbiota), that naturally inhabit our human gut. Dysbiosis causes altered gut immunity, abnormal fermentation of undigested foodstuffs, and impaired production within the ...

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Irritable Bowel Syndrome (IBS)

What Is Irritable Bowel Syndrome? Irritable bowel syndrome (IBS) is a motility disorder without anatomic cause involving the entire gastrointestinal tract that is characterized by these four features: 1) Abdominal pain usually relieved by defecation or passing of gas; 2) ...

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Increased Intestinal Permeability (Leaky Gut)

What Is Increased Intestinal Permeability? Increased intestinal permeability is characterized by greater than normal intestinal permeability (leakiness) allowing for the penetration of harmful entities into the bloodstream such as undigested proteins and microbes. The popular name is “leaky gut.” Q: ...

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Gluten Sensitive Enteropathy (Active Celiac Disease)

What Is Gluten Sensitive Enteropathy? Gluten sensitive enteropathy is active celiac disease characterized by inflammation of the small intestinal mucosa that results from an inherited immunologic intolerance to ingested gluten. Q: What does the inflammation do to the mucosa in the small ...

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Vitamin B3 (Niacin) Deficiency

What Is Vitamin B3 (Niacin)? Niacin is an essential water-soluble B vitamin that is required by all cells of the body. During digestion of food containing it, niacin (the form in food) is changed in the small intestines to the active form niacinamide (niacin ...

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Lymphoma, Enteropathy-Associated T-Cell (EATL) 

What Is Enteropathy-Associated T-Cell Lymphoma? Enteropathy associated T-cell lymphoma (EATL), although rare, is a tumor of intraepithelial lymphocytes. It is the most common primary gastrointestinal T-cell lymphoma and is characterized by its aggressive course and poor prognosis. Primary means this ...

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Diarrhea, Chronic

chronic diarrhea gluten celiac disease symptom

What Is Chronic Diarrhea? Chronic diarrhea is an intestinal motility disorder characterized by 1) alteration in stool formation causing loose to fluid movements and quantity of movements with or without abdominal pain and 2) interference with normal carbohydrate salvage by ...

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Adenocarcinoma Of Small Intestine (Cancer)

What Is Adenocarcinoma Of Small Intestine? Adenocarcinomas are malignant tumors, or cancer, of the small bowel arising out of glandular tissue. They fall in the category of rare neoplasm, comprising only 3% of all gastrointestinal malignancies. Primary adenocarcinoma is the ...

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Sucrose Intolerance and Sucrosemia 

What Is Sucrose Intolerance And Sucrosemia? Sucrose intolerance is the inability to digest sucrose, a widely available sugar, while sucrosemia is the abnormal presence of sucrose in the bloodstream. Q: Why cannot the body digest sucrose? A: Sucrose, such as cane ...

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Small Bowel Intussusception

What Is Small Bowel Intussusception? Small bowel intussusception is a bowel derangement that is characterized by the slipping of one section of intestine into another, leading to bowel obstruction. Acute bowel intussusception is a rare manifestation in adults, which mainly involves ...

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Food Allergy – IgE and Non IgE

What Is Food Allergy? Food allergy is an abnormal immune response to food proteins that may damage the small intestinal  lining and produce malabsorption of food. The reaction is usually delayed which makes it difficult to identify the offending food that ...

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Penicillin V Impaired Absorption in Children 

What Is Penicillin V Impaired Absorption In Children? Penicillin V impaired absorption in children is characterized by lack of ability to absorb the oral antibiotic medicine, penicillin V,  from the small intestine. Q: What is penicillin V? A: Penicillin V ...

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Bleeding: Fecal Occult Blood In Children 

What Is Fecal Occult Blood In Children? The presence of fecal occult blood in children is caused by minimal bleeding of less than a tablespoon a day in the gastrointestinal tract which leads to iron deficiency. Bleeding is abnormal and ...

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Celiac Disease After Childbirth (Puerperium)  

What Is The Puerperium Complicated by Celiac Disease? Celiac disease complicating puerperium is an adult manifestation of celiac disease that appears during the 6 weeks after delivery of a baby(ies). It is characterized by severe diarrhea in the newly delivered ...

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