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Vol. 13 - Num. 50

Brief Reports

Current status of lactose intolerance in children

Enrique La Orden Izquierdoa, Iván Carabaño Aguadob, FJ Pelayo Garcíac

aUnidad de Gastroenterología y Nutrición. Servicio de Pediatría. Hospital Infanta Elena. Valdemoro. Madrid. España.
bSección de Gastroenterología, Hepatología y Nutrición Pediátrica. Servicio de Pediatría. Hospital Universitario 12 de Octubre. Madrid. España.
cServicio de Pediatría. Hospital Infanta Elena. Valdemoro. Madrid. España.

Correspondence: E La Orden. E-mail: e_o_izquierdo@yahoo.es

Reference of this article: La Orden Izquierdo E, Carabaño Aguado I, Pelayo García FJ. Current status of lactose intolerance in children. Rev Pediatr Aten Primaria. 2011;13:271-8.

Published in Internet: 20-06-2011 - Visits: 16559


Lactose is a widely distributed disaccharide in the diet and pharmaceutical industries. It is the sugar from the milk of mammals. The loss of intestinal lactase activity with age is frequent. It varies between ethnic and genetic conditions, and may cause its malabsorption. It may also be secondary to intestinal mucosal damage and, rarely, to congenital deficiency. Malabsorption does not necessarily imply clinical intolerance, with gastrointestinal symptoms after its ingestion. The exclusion of lactose from the diet produces clinical improvement but it could lead to a defect in the recommended daily intake of other nutrients such as calcium. It can be reintroduced into the diet but there is an individual clinical threshold of tolerance.


Lactose intolerance Malabsorption



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