Congenital lactase deficiency: A congenital metabolic disorder where a deficiency of an enzyme called lactase impairs the body's ability to digest milk and other products that contain lactose. Symptoms tend to occur soon after consuming such products. The severity of symptoms depends on the degree of lactase deficiency. More detailed information about the symptoms, causes, and treatments of Congenital lactase deficiency is available below.
See full list of 13 symptoms of Congenital lactase deficiency
Read more about treatments for Congenital lactase deficiency
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Prognosis for Congenital lactase deficiency: Symptoms improve rapidly once lactose is eliminated from the diet.
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Types of Congenital lactase deficiency
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Ophanet, a consortium of European partners,
currently defines a condition rare when it affects 1 person per 2,000.
They list Congenital lactase deficiency as a "rare disease".
Source - Orphanet
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