<unk>  is a condition which is associated with impaired absorption of one or all dietary nutrients. There are multiple etiologies with diminished intestinal absorption. Many of them present with diarrhea, especially steatorrhea. They might have<unk>  of carbohydrates, fat, protein, vitamins, and/or minerals.<unk>  is occurred following intestinal mucosal or structural defects.<unk>  according to etiology may be classified into five main groups including infection, structural defect, digestive failure, systemic disease, and iatrogenic causes. Different workups might be used to differentiate diagnosis of<unk>  including small bowel biopsy, stool exam, breath testings, lab findings, and imagings.
Malabsorption
Acid indigestion
Bile acid malabsorption
Lactose intolerance
Glucose-galactose malabsorption
Sucrose intolerance
Pancreatic insufficiency
Fecal impaction