When the human immune system reacts abnormally, allergies occur. There are people with an immune system that reacts to certain harmless substances in their environment. Some of the substances that can trigger allergies are pollen, animal dander, mold etc. These substances that can trigger abnormal reactions from the immune system are called allergen. Not everyone has allergies. Allergies are inherent.
People get exposed to allergens by inhaling, swallowing or when it gets to their skin. After a certain person gets exposed to allergens, there will be a series of allergic reactions that will occur.
The body will then create a specific kind of antibody. This antibody is called IgE. This will bind the allergen together. These antibodies are attached to a mast cell, which can be found in the intestine, airways and other places in the body. These mast cells make the area of the body more vulnerable to allergic reactions. The allergens that were stuck on the IgE will then be attached to these mast cells. This will make the mast cell release different kinds of chemicals, especially the Histamine. The histamine is the main cause of the allergic symptoms.
Sometimes allergic reactions starts when you are a baby due to your allergy to chemicals used in a disposable nappies. Use organic cloth nappies instead.
Some of the main symptoms of allergies are:
For every kind of exposure, there is a corresponding allergic reaction. For food allergies, stomachache, vomiting and diarrhea are some of the most common symptoms. While for insect stings, local swelling, pain and redness in the bitten area are some of the most common symptoms.
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