It is the diseases in which the body can not digest the lactose present in the dairy products.Sometimes the small intestine stops making lactase after a short-term illness such as the stomach flu or as part of a lifelong disease such ascystic fibrosis. Or the small intestine sometimes stops making lactase after surgery to remove a part of the small intestine. In these cases, the problem can be either permanent or temporary.
In rare cases, newborns are lactose-intolerant. A person born with lactose intolerance cannot eat or drink anything with lactose.
Some premature babies have temporary lactose intolerance because they are not yet able to make lactase. After a baby begins to make lactase, the condition typically goes away.
- abdominal pain,
- diarrhea, and
- flatulence (passing gas).
- abdominal bloating,
- abdominal distention, and
- bread and other baked goods;
- processed breakfast cereals;
- instant potatoes, soups, and breakfast drinks;
- lunch meats (except those that are kosher);
- salad dressings;
- candies and other snacks; and
- mixes for pancakes, biscuits, and cookies.