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Intolerance or food allergy? See the difference between the problem

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Did you know that there is a big difference between these two issues: allergy and food intolerance? Nutritionist François Trevisan explains that in the case of food allergy, the reaction occurs almost immediately after eating. Already food intolerance is caused by a substance's sensitivity, which has no immediate reaction and can create discomfort for days.

However, as the body is constantly changing, the expert says that it is possible to develop sensitivity to some foods throughout their lives. Then follow some tips to help!


Which foods most cause food allergies? Asbai (Brazil Association for Allergy and Immunization) informs that every food can cause allergy. However, foods that most cause allergies are cow's milk, eggs, soy, fish and crabs.

Which food produces the greatest food intolerance? With intolerance, the patient develops sensitivity to fruits, some proteins, and some types of carbohydrates, such as lactose, which is milk sugar.

What are the symptoms of food allergy? According to Asbai, the most common symptoms in food allergies include itching and swelling of the skin, diarrhea, vomiting and abdominal pain, coughing, chewing and chewing in the chest. In the severity of the allergy, the patient may have anaphylaxis, or systemic response of the organism, and, in addition to the previous symptoms, the presence of chest tightness, low blood pressure and arrhythmia. Anaphylactic shocks can kill fatal if they are not saved.

What are the symptoms of food intolerance? A dietician says that the reactions that may occur in the intake of food on which a person has sensitivity are abdominal discomfort, gas, diarrhea, vomiting, dilation of the abdomen, migraine, anxiety, depression, and in some cases even retardation depending on the substance.

What foods can cause serious allergies? According to Asbai, peanuts, cucumbers, cow's milk and nuts are foods that usually have severe allergic reactions, and anaphylaxis may occur.

Which food can cause severe symptoms of intolerance? A dietician says that foods containing lactose and gluten can be more aggressive to the patient, because it ignites mucous membranes of the stomach, makes it more acidic and can develop into gastritis and ulcers.

What to do if you accidentally swallow when you are allergic? Franciele says that, normally, those who have any allergies already avoid food or recipes that may contain it. However, in case of accidental ingestion, antihistamines can be used. Adrenaline injections are more serious, close to anaphylaxis.

What happens if a person with food intolerance enters the food they are sensitive to? A nutritionist explains that a person may have discomfort and symptoms of his own intolerance, but some people still manage to eat food. This is because symptoms occur in certain, generally high levels, swallowing substances. Therefore, some people can eat food in which they are intolerant in small quantities.

Is it possible to avoid allergy or intolerance of food? No. Franciele explains that they are arising from a change in the organism as a defense. A dietician says that consuming antioxidants can help the body, because the substance helps eliminate free radicals and other toxins, contributing to the proper functioning of the body. Having this consumption of antioxidants, the intake of foods potentially causing intolerance would not have such a major impact on the body

* Trainee R7 under the supervision of Deborah Giannini.

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