Food allergies

Food allergies

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Food can cause different allergies in children. If not treated properly, their life may be in danger. Many allergies are not serious, but a medical consultation is recommended.

If it is forbidden to consume an allergy-causing food, it should always be replaced with another that offers the same nutrients. These body reactions are common in young children, but they disappear as they grow older.


If a child has a severe allergy to a particular food (cannot breathe or faint) you should ban its consumption until the doctor is diagnosed.

Types of allergic reactions to food

  • allergy it is a reaction of the body that appears immediately after eating a food.

It is provoked by the immune system shortly after ingestion and can manifest quite severely.

  • Intolerance to a particular food is not related to the reaction of the body's immune system, but is caused by the lack (transmitted genetically, stress-induced, disease) of a certain substance (enzyme) necessary for digestion. It's pretty common. Symptoms can occur even two days after eating. Food preservatives are the main cause.
  • Allergy to dairy products raises problems in establishing calcium balance in the body.
  • Behavioral changes. The idea that eating certain foods has hyperactivity or fatigue is quite controversial. Some people are convinced that food influences their condition, but studies do not provide concrete results.
  • Food poisoning it is caused by bacteria in the altered foods, stored under improper conditions.

Food allergy

Allergy is a reaction of the immune system to a certain protein in food.

It appears especially in young children and babies. There are usually other people in the family with the same problem.

The reaction is fast and lasts between 30 minutes and 2 hours.

Only a few foods can cause this allergy: peanuts, cow's milk, eggs, and rarely fish, soy and flour.

A child may be allergic to one of the foods but exhibit a moderate reaction.

Children get rid of this problem after they grow up; however, allergies to fish and nuts disappear in a few cases.


  • Local reactions - the skin around the mouth reddens and becomes irritated.
  • General reactions - the skin reddens in different areas of the body, vomiting, dizziness, difficulty breathing or fainting.

What can you do in case of an allergy?

A child who is allergic to a food should be consulted by a specialist doctor.

The diagnosis is correct only if the tests performed indicate the occurrence of a food allergy.

The food that caused the allergy should be eliminated from the child's diet; the breastfeeding mother should avoid consuming it.

Any type of substance that causes allergy should be banned and eventually replaced.

The child must have a balanced diet, which is why you should seek the advice of a nutritionist.

After a break of one or two years, the child can consume that food but only under medical observation. If you do not experience any side effects then you can safely consume the product.

Severe allergies are a real problem. Children need medicines to be taken with them at all times and must be carefully monitored.

Reducing the risk of an allergy

The tendency to suffer from an allergy is inherited. It is transmitted to children or grandchildren.

If there are cases of allergies in the family then:

- it is likely that babies will not suffer from allergies if they are breastfed in the first year of life; - a breastfeeding mother should not consume foods that can cause allergies (dairy, eggs, peanuts or fish) or offer them to the baby in the first year of life;

- there are certain medications that can prevent allergy in children from families with a history but should not be used if the baby is fed cow's milk.

Allergy-free foods can be consumed from 5-6 months. The baby can eat rice, potatoes, pumpkin, apples and pears, vegetables, chicken or cereals. Beef, citrus or berries should be avoided.

However, many foods that cause allergies are necessary for the body. They should not be excluded from the feeding of the child unless there are serious reasons. Hazelnuts should be avoided if there are allergies in the family, but the fish or eggs are difficult to replace. The advice of a nutritionist is essential.

Allergy to dairy products

This type of allergy comes from the reaction of the system to milk proteins.

The most common symptoms are redness of the skin, vomiting, diarrhea, colic, breathing problems.

Fainting is rarely encountered.

The tests performed by the specialist doctor have a positive result if a child suffers from an allergy.

The chances of someone else in the family suffering from this problem are quite low.

What can you do for this type of allergy?

Go to the doctor to be sure it's an allergy.

The naturally breastfed child should not consume cow's milk until one year of age.

Sometimes the baby is fed with soy milk; as long as you do not develop an allergy to this food the method is recommended.

There are certain substances that have been processed so as not to cause allergies: the proteins have been fragmented into small particles.

Naturally breastfed babies can develop an allergy if their mother consumes cow's milk. This case is rarely encountered but it is advisable to refrain from consuming dairy products for a period of several days. If the situation does not improve then it will return to the previous feeding. A breastfeeding mother needs calcium and other vitamins and minerals. It is advisable to seek the advice of a nutritionist; he can recommend foods that provide the same nutrients.

Allergy to peanuts

This allergy is a reaction of the immune system to peanut proteins. It is a common allergy in Australia, but in Europe there are few cases.

It manifests through redness of the skin, breathing problems and fainting.

The tests with a positive result demonstrate the existence of this allergy but must be performed under the attention of the doctor.

Unlike other allergies, children do not get rid of this problem when they reach adolescence. In most cases, the severity of the reactions is attenuated, but the suffering can last a lifetime.

The allergy also manifests in the case of consuming foods that contain peanut oil or small particles.

What can you do for this type of allergy?

If a child suffers from such an allergy, he or she should be consulted by a specialist doctor as a matter of urgency.

If you are allergic to peanuts, the child should avoid consuming any product that contains these fruits. It is advisable to check the ingredients before consuming a food. Chocolate and other sweets may contain traces of peanuts, which is why it is advisable to avoid them.

Some children react to the mere touch of peanuts or the inhalation of small particles.

In most cases, medication is needed (adrenaline injections). Since it is difficult to avoid contact with peanuts, the child should be constantly monitored.

Reduce the risk of this type of allergy

It is recommended that mothers avoid eating peanuts during pregnancy if they worry about their baby. Various studies have shown that this method does not reduce the risks but it is easy to realize and may have positive effects.

It is shown that avoiding peanut consumption while breastfeeding helps reduce the risk of an allergy.

It is not recommended to use peanuts if the baby is less than one year old.

Do not use creams that contain peanut oil for baby's skin (massage).

Tests for food allergy

There are two tests that can be performed to check the allergy to different foods. The first involves the injection into the skin of a solution containing the agent that causes the reaction and the analysis of the area under test.
The second involves blood analysis. The doctor checks the type of antibodies produced following the consumption of substances. If the tests have positive results then the allergy is caused by the respective substance. There is no need to avoid different foods if we are not allergic.

Food allergies in children

If a child is allergic to a food there are several ways in which it can be avoided. It is important to pay attention to allergic children without exaggerating and stressing them with this problem. If the school or kindergarten where the teacher has a canteen we must discuss the problem with the teacher or educator concerned.
Here are some tips on reducing the risk of an allergy:

  • It is ideal for a child with an allergy to eat only foods prepared by his parents.
  • Must not share food, cutlery or plate with other colleagues; there is the risk of the transfer of small particles that can provoke a negative reaction. It is best to prepare food that is easy to pack and eat, sandwiches being the best option.
  • The bottles of juice and the boxes for the food must bear a label with the name of the child.
  • Children doing culinary experiments should be carefully monitored.
  • People who prepare food should avoid contamination of the objects used with allergy-causing substances.
  • Food cooked in canteens is not recommended for children with allergies. If the adverse reaction to a particular food is severe then the life of the child is in danger.

Simple redness of the skin is not very dangerous but it is recommended to wash hands and avoid foods whose content is not known.

Food intolerance

Food intolerance is a slow response of the body to a food that you frequently consume.

The body reacts to food preservatives, whether natural or artificial.

Food intolerance can occur at any age. It can cause short-term or lifelong suffering.

The degree of intolerance differs from person to person and depends on the amount ingested, which makes it very difficult to diagnose.


They are vague and include a combination of gastrointestinal problems (diarrhea, digestion problems, vomiting, irritable colon)

Food intolerance can affect different parts of the body. The skin shows eczema (around the mouth).

There is dizziness, vomiting, pain.

Impaired breathing can be caused by obstruction of the nasal pathways or an asthma attack.

Sometimes headaches, muscle cramps and severe irritation may occur.

What can you do for this type of allergy?

Food intolerance is difficult to diagnose because its symptoms are specific to other diseases.

No tests can be performed for its discovery. The only way to diagnose a food intolerance is to eliminate all foods suspected of having caused the symptoms and reintroduce them in small quantities. If the symptoms recur then an intolerance is confirmed.

It is important to consult the doctor in this regard especially in the case of children. As they grow, they need vitamins and minerals; Diets that can affect metabolism should be avoided.

Food that causes intolerance should not be consumed for a year or two. Food intolerance can disappear after a certain period.


There are not many known ways in which these reactions can be prevented, since diagnosis is quite difficult.

If a baby is sensitive to a type of food, foods that are not at risk of developing an allergy are recommended.

Intolerance to dairy productsÂ

Milk can cause intolerance, a reaction difficult to diagnose as opposed to an allergy. This reaction is not produced by the immune system.

The symptoms are less severe.

Often vomiting, diarrhea, irritation occur. Redness of the skin is not common.

Intolerance to dairy products is not transmitted in the family.

There are no special tests to help diagnose this problem.

What can you do in case of this type of reaction?

Consult your doctor to resolve this problem.

Your doctor may recommend avoiding cow's milk in your child's diet and if the symptoms disappear try again to consume it.

Soy milk may be a suitable substitute.

Intolerance to dairy products can disappear after 18 months.

There are no known ways to prevent this problem.

Intolerance to lactose-containing products

Lactose is an organic substance with a sweet taste, extracted from milk and used in the drug industry.

Bacteria feed on the lactose they break down.

Intolerance to lactose-containing products is different from intolerance to dairy products.


Acute pain is most commonly encountered.

Children and adults who are intolerant to lactose-containing products may suffer from conditions that are quite difficult to treat.

Occasionally, muscle pain, headache, fatigue may occur.


Some gastrointestinal problems may be followed by an intolerance to lactose-containing products.

A severe food allergy can be followed by intolerance reactions.

There are very rare cases where babies are born with this inability to support lactose.

Children who are mildly irritated and have colic are considered intolerant to this substance although it has not been shown in studies that they are prone to this condition. Stomach pain may also occur. This intolerance disappears as the child grows older. If not diagnosed in time, intolerance to lactose-containing products can lead to serious health problems later.

What can you do in case of this type of reaction?

There is a certain type of test that can be performed to determine that diagnosis. The result may be inaccurate in children, but it is safe for adults.

Children over 5 years of age who are sensitive to dairy products should avoid excessive milk consumption. A pretty good alternative is soy milk.

If a child has diarrhea after suffering from a gastrointestinal disorder then it is advisable to consult a doctor.

The influence of food on behavior


Studies offer conclusions that do not demonstrate a deep connection between food and an individual's behavior. There are children who show an overwhelming energy after consuming certain foods, which is quite dangerous for health in some cases.

The elimination from the diet of products that have negative effects on the body and their consumption after a break period can be an advantageous solution.

Research shows that the level of sugar in food does not influence a person's behavior.

A proper diet can influence a child's behavior but it is possible that the change can be explained by the simple control of the diet.

Hyperactivity in children can occur as a result of caffeine consumption and can be avoided by reducing the consumption of foods that contain this substance.

Chronic fatigue syndrome

Only a few patients demonstrate a change in behavior after adopting a special diet.

Many patients avoid consuming certain foods, adopting an inadequate diet and increasing their fatigue.


Hypoglycaemia does not occur as a result of a routine diet but due to diabetes.

Studies show that fatigue does not increase when blood glucose levels drop.

It can sometimes be caused by food intolerance.
1. Many doctors believe that the reaction of the body to a food does not cause hypoglycaemia.

2. Although there are many types of tests that can be performed to diagnose an allergy, many are not scientifically recognized.

3. Severe diets are not recommended for children.

Allergy and immune system

The immune system is not the cause of an allergy.

If a child is allergic to eggs (they develop eczema, sweat, breathe hard, dizzy, faint) then they will not be given flu vaccines or other diseases.
Vaccination against rubella can only be performed under the close supervision of the doctor. The allergic reaction to this vaccine is very rare.

Tags Allergies for children Allergies for babies Allergies for babies Allergies for children