Last updated:09-05-2008
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Definition and causes

Laktoseintolerans is a disease that gives mavesymptomer in connection with the consumption of milk. Laktoseintolerans due to lack of the enzymelactasein tyndtarmsslimhinden. Laktase normally breaks down milk (lactose) into smaller parts that can be absorbed by the intestine.

Laktoseintolerans divided into aprimaryand asecondaryshape.

Primary laktoseintoleranscan be congenital or acquired. The congenital form is very rare. Here missing lactase from birth. The acquired form is frequent. Here are lactase present from birth and the first year of life, but then gradually disappear. 5% of the adult Danes have primary occupation laktoseintolerans. In other populations, for example. Africans, Chinese, Eskimos, Indians, etc., much more frequently. Worldwide, approximately. 50% primary occupation laktoseintolerans.

Secondary laktoseintoleransare frequent and caused damage to tarmens mucous membrane. When there is damage to the mucous membranes, for example. seen by glutenintolerance (coeliac disease) or after a gastro-intestinal infection , Lost lactase, and thus the ability to digest lactose. This form is temporary, because the lactase restored with the mucous membranes, where the operative reason treated or disappear by itself.

Symptoms of laktoseintolerans

The symptoms occur only in connection with the consumption of milk. The symptoms debuterer mostly in the 2-4 age is:

  • Abdominal pain

  • Oppustethed

  • Many prutter (flatulence)

It is characteristic that in children is not diarrhoea or affected the well-being, ie. that is normal growth (height and weight). Adults with laktoseintolerans experience, however, often diarrhoea as a symptom.

Precautions and diagnosis

If your child develops mavegener from the consumption of milk, one should seek their own doctor. The doctor would have suspected laktoseintolerans after hearing sygehistorien and examined the child. The final diagnosis can be made using different samples. By alaktosebelastningstesttake the child a quantity of lactose. The test is positive if the known symptoms occur, and blood sugar does not increase, which it normally would do. The diagnosis can also be made by genetic and a so-calledhydrogen breath test.

Consideration of laktoseintolerans

The treatment is to eliminate lactose, that is. primarily milk from the diet. Since milk is the main source of lime, must also be given calcium supplements. Laktoseindtaget can resume at the secondary laktoseintolerans when the reason for this is processed. Lactose tolerated but only again when the mucous membranes is completely restored, as laktasen is the last fordøjelsesenzym to come back.

Select and complications

The forecast is good. The primary occupation laktoseintolerans the symptoms disappear as soon as the lactose is removed from the diet, and will not come back unless, the person again eat laktoseholdig diet. At the secondary laktoseintolerans disappear laktoseintoleransen when the operative reason treated or disappear by itself.





Related articles:

Celiac disease in children (Glutenintolerance, Glutenallergi)
Cystic fibrosis
Enkoprese (Missing afføringskontrol)
Fenylketonuri (PKU, Føllings disease)
Hypotyreose in children (Poor functioning of the thyroid, Reduced metabolism)
Infectious hepatitis in children (Viral Hepatitis)
Invagination (Intussusception)
Mælkesukker intolerance (Laktoseintolerans, Laktosemalabsorption)
Vækstforstyrrelser (Nanismus and Gigantismus)



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