- Primary lactose intolerance: Environmentally induced when weaning a child in non-dairy consuming societies. This is found in many Asian and African cultures, where industrialized and commercial dairy products are uncommon.
- Secondary lactose intolerance: Resulting from the certain Gastrointestinal disorder such as Irritable Bowel Syndrome (IBS), or as a consequence of infection of the small intestine, HIV or malnutrition. In children, it is typically secondary to viral or bacterial infections.
- Congenital lactase deficiency: A genetic disorder which prevents the enzymatic production of lactase. Present at birth, and diagnosed in early infancy.
- Abdominal pain
- DIAGNOSTIC TEST
- Lactose tolerance test
- Hydrogen Breath test
- Stool acidity test
Management of lactose intolerance requires dietary changes.
- Total elimination of lactose. Milk substitute like soy milk, groundnut milk, coconut milk to be used.
- Those who do not have absolute lactase deficiency can tolerate about 6 to 12 g of lactose/ day without major symptoms, especially when taken with meals or in the form of cheeses.
- A fermented and cooked form of milk preferred as lactose gets converted to lactic acid. Curd or yoghurt may be well tolerated due to the presence of beta-galactosidase an enzyme which ferments lactose to lactic acid.
- A person who avoids dairy products may need calcium or Vit D supplementation.
- Lactaid enzyme (Lactase enzyme supplement ) may be used which can be added to milk.
- All packed food label should be checked for lactose before purchase.
Food that may contain hidden lactose include :
- Biscuits and cakes (if milk or milk solids are added)
- Processed breakfast cereals
- Cheese sauce, Cream Soups and Custard
- Milk chocolate
- Pancakes and pikelets
- Scrambled eggs
- Muesli bars
- Some bread and margarine (containing milk).
Trying to avoid lactose, ingredients to look for in lists on food labels.
- Milk Solids
- Non-fat Milk Solids
- Milk Sugar
This is Copyright Content by Gadge's Diabetes Care Edited and written by Madiha Khan