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What is allergy?

What is allergy?

One of the three that we are wonderful is allergic to something, and almost half of allergies are allergic to food. So, if you have one or suspect that you, whether
pollen, peanuts, crustaceans, milk or wheat, you are not alone.

With an allergy, the immune system produces a protein called an antibody to fight the allergen that causes the problem. In the case of classical allergy, an antibody
called IgE is produced, which causes the release of a chemical, histamine, which usually causes a rapid and severe reaction, such as swelling of the mucosa.

More commonly, allergic reactions associated with an IgG antibody. This kind could be reason a delayed reaction, it is called “food intolerance,” up to 24 hours after
open to the allergen. While food intolerance is not obviously dramatic as a classic reaction, it can severely damage your well-being. Fortunately, as you can easily
find in this section.

Allergies, also known as allergic diseases, have many conditions caused by hypersensitivity to the immune system in something that often causes little or no problems
for most people. These diseases include hay fever, food allergies, atopic dermatitis, allergic asthma, and anaphylaxis. Symptoms may include red eyes, itchy rash,
runny nose, shortness of breath or swelling. Food intolerance and food poisoning are separate conditions.

The common allergens are pollen and certain foods. Metals and other materials can also cause problems. Food, insects and medications are the most common cause of
severe reactions. Its development is determined by both genetic and environmental factors. This mechanism is associated with immunoglobulin E (IgE) antibodies, which
are part of the body’s immune system, bind to the allergen and then to the cell or basophilic receptor, where it causes the release of inflammatory chemicals such as
histamine. The diagnosis is usually based on personal health history. In some cases, other skin or blood tests may be helpful. However, positive tests can mean that
there is a high allergy to a particular substance.

Early exposure to possible allergens can be protective. The treatment of allergies includes avoiding the use of known allergens and medications such as steroids and
antihistamines. Adrenaline (epinephrine) is recommended for severe reactions. Allergen immunotherapy, which gradually reveals to people an increasingly higher level of
allergens, is beneficial for some types of allergies, such as hay fever and the reaction to insect bites. Its use in food allergies is not clear.

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