Lactose intolerance is defined as the inability to digest the ingested disaccharide lactose, secondary to a deficiency of the intrinsic enzyme lactase, resulting in clinical symptoms...
Classic symptoms include bloating, gaseousness, colicky abdominal pain, and diarrhea after digestion of lactose-containing meal.
Dietary intake history provides important information.
A...
Removal of lactose from the diet is effective in eliminating symptoms.
However, it is important to recognize that a milk-free diet is associated with calcium deficiency.
Predig...
Lactose-free formula, lactase-containing milk
Cow milk substitutes (e.g., rice or soy milk)
Yogurt and aged cheeses, which generally have smaller content of lactose
Prognosis of...
Heyman MB; for Committee on Nutrition. Lactose intolerance in infants, children, and adolescents. Pediatrics. 2006;118(3):1279–1286. [View Abstract on OvidInsights]
Levitt M, W...
E73.9 Lactose intolerance, unspecified
E73.0 Congenital lactase deficiency
E73.8 Other lactose intolerance
E73.1...
Q: When is the usual time for presentation of lactose intolerance?
A: In Caucasians, the age of presentation is after 5 years of age. In African Americans, 2- to 3-year-old children may present wit...
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