Allergy to lactose: symptoms, possible causes and characteristics of treatment

Lactose is one of the varieties of complex sugars. It is found in natural dairy products, digested by the human body with an enzyme called lactase. A small percentage of people named above this enzyme. In this article we will consider what is the allergy to lactose, the symptoms and causes of its occurrence, and also introduce the reader to the main methods of treating this disease.

allergy to lactose symptoms in children

According to statistics, such an ailment suffers in an equalboth children and adults. In either case, it is important to establish the presence of this disease as early as possible, and also to distinguish it from an allergy to milk. Because these are completely different things. So, in the case of hypersensitivity to lactose, it is not necessary to eliminate dairy products from the diet, but with an allergic reaction to milk, this is simply necessary.


Before we list the symptoms of allergy to lactose in adults, the reasons for the appearance of such a reaction will be called. The main are the following:

  1. Genetic predisposition. If one of the parents noted a deficiency of enzymes for digesting lactose, then with a probability of up to 25%, we can say that the child will be born with this problem. The most common genetic inheritance of Asian residents.
  2. Sometimes the symptoms of lactose allergyOnly after the child reaches the age of three. This is due to the fact that this age period is characterized by a natural decrease in the content of lactase in the body.
  3. According to numerous studies, the symptomsallergies to lactose can occur due to the development in the body of other diseases associated with disruption of the cells of the small intestine, in which the abovementioned enzyme is produced.


Now let's look at the symptomsthis disease. Symptoms of lactose allergy should be known in order to distinguish the disease from intolerance to milk, which is so common in the adult population. Now we will understand this question.

allergy to lactose symptoms

So, an allergy to lactose will make itself felt onlyafter an hour or more after eating milk products, and milk intolerance will manifest itself after 5-10 minutes. In most cases, with the allergy to lactose the following changes in the body:

  • loose stools;
  • flatulence;
  • discomfort in the abdomen;
  • the presence of pain in the stomach and intestines;
  • various manifestations on the skin: rashes, redness, diathesis;
  • itching of the skin;
  • increased body temperature;
  • allergic rhinitis;
  • a headache of a different nature;
  • in some cases, develops bronchospasm, which is most dangerous in childhood.

allergy to lactose symptoms in infants

The most severe manifestation of lactose allergy is Quincke's edema and anaphylactic shock. When these complications arise, medical care is urgently needed.

In many respects the symptoms of lactose allergy are similar to the usual food poisoning. However, if you do not recognize such a reaction in time, you can allow the development of a more complex form of the disease course.

Allergy to galactose

In some cases, the allergy does not arise fromlactose, and to another substance called galactose. This substance is also formed by dividing the milk sugar by the enzyme lactase into separate constituents for its subsequent assimilation. Allergy to galactose is much less common. However, its manifestations are no less dangerous. The fact is that the development of an allergic reaction to galactose can not be noticed immediately after eating dairy products. Since in this case there is a cumulative effect. When a high amount of galactose accumulates in the body of a child or an adult, allergy develops, the complications of which are especially dangerous.

allergy to lactose symptoms in adults

These include the following conditions: impaired kidney and liver function, hypoglycemia, cataract, delay in the child's physical and mental development. If the presence of an allergy to galactose is established, it is necessary to immediately stop the use of any dairy products and take measures to cleanse the body of accumulated allergens.

Do not confuse the allergy with poisoning! Analysis for the definition of an allergic reaction

Symptoms of allergy to lactose in adultsare practically the same in all cases. However, quite often a person does not even guess what became the true cause of the indisposition. Since allergy symptoms are very easily confused with ordinary poisoning. Often, with intolerance to lactose, a person encounters in a sufficiently mature age, which can be triggered by various diseases or surgical interventions affecting the organs of the gastrointestinal tract. That is why it is important after all serious operations to comply with the recommended diet and include the rest of the products gradually, watching the reaction of the body.

If a person has a suspicion thathis body developed an intolerance to dairy products, he can pass an analysis on the allergy to lactose. Symptoms, although they indicate the presence of such a reaction, but after all, as already mentioned, they can be confused with the signs of some other disease.

Allergies in children and infants

Now we will examine in more detail howsymptoms of allergy to lactose in children. Intolerance of lactase in an easy degree is characteristic of all children older than two years. This is a perfectly normal age-related change in the body. Since the need for milk is significantly reduced. It is quite logical to assume that with a decrease in the need for milk, there is a decrease in the production of the enzyme lactase by the body. This leads to lactose intolerance.

allergy to lactose symptoms in adults

Because the child's body is not enoughstrengthened, it is difficult for him to cope with any diseases, including various kinds of allergies. Parents should closely monitor the condition of the child and, if necessary, seek medical help. It is especially dangerous to miss the symptoms of allergy to lactose in infants. Since for a tiny organism to cope with the disease alone - an impossible task. It is possible to suspect lactose intolerance in a baby if the child does not stop vomiting and diarrhea after consuming mother's milk. To guard mother should and some other signs:

  • no weight gain or insignificant increase;
  • stool disorder;
  • various manifestations on the skin - rashes, redness, itching;
  • Breastfeeding after 3-5 minutes of feeding;
  • the child presses his legs, cries and fits.

Allergy to lactose can manifest not only whenbreastfeeding, but also when feeding a child with artificial mixtures that contain soy or cow protein. For babies, who are diagnosed with allergies to lactose, a special lactose-free diet has been developed. It is important to find the problem in a timely manner. And also switch to lactose-free mixtures to avoid delay in the development of the child and other health problems.

allergic to lactose, symptoms and causes

Especially often intolerance is found inpremature babies, the gastrointestinal tract of which is not mature enough to produce a lactase enzyme. Infants born before the term should receive increased attention from both the medical staff and the parents, especially mothers.


Treatment of allergy to lactose, if giventhe disease is confirmed by a doctor, in the first place should begin with the introduction of a special diet, called elimination. Such a food system implies the complete exclusion of dairy products from the diet. It is important to know the composition of each meal used. Since milk may not be visible in it, it will be present. To simplify the task, you can start a notebook in which all the consumed products and the body's reaction to them will be fixed. Adult person, depending on the severity of allergy may be allowed to sour milk products in small quantities. Since in them most of the lactose is destroyed by bacteria.


If the patient did not notice the presence of milk inany product and an allergic reaction is already taking place, it is necessary to seek medical help, where appropriate measures will be taken to cleanse the body. For this purpose, enterosorbent preparations are used, and for the removal of symptoms, a drug such as "Semiticon" can be recommended. If the symptoms of allergy are slightly expressed, the patient can take a dose of enzyme supplements containing lactase, which should always be in his medicine cabinet.

allergy to lactose symptoms and analysis

Symptoms of lactose allergy in children mayto bring them much greater discomfort than to adults. Therefore it is very important to help the kid in time. Specially for children, the enzyme supplement "Lactase Baby", which can be used at the age of 0 to 7 years, is developed.


In order to prevent the development of allergies to lactosedoctors recommend limiting the use of foods that contain raw milk. The body of an adult man digests milk products much more quickly. Therefore, they should be given preference.


Now you know what an allergy to lactose. Causes, symptoms, treatment and other nuances of the disease - these are all important topics are discussed in detail in our article. And remember that any illness you need to know in person, especially when it comes to allergies, the symptoms of which can often be similar to other conditions.

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