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Causes of Allergies

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Submitted By Sunshine2014
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Allergies can be triggered by many types of allergens such as pollen, mold, animal dander, and many other types of substances. It affects people with an abnormal response in the immune system and it causes it to react to some usually harmless substances in the environment. An allergic reaction will indicate that a person has been exposed to some type of allergen either by inhaling it, swallowing it, or getting it on their skin.
The most common symptoms of an allergy, whether it is inhaled or a skin allergen, are itchy, watery eyes, sneezing, itchy runny nose, rashes, feeling tired or ill, and hives which produce a rash with raised red patches. There are other exposures that create an allergy that include food and insects. Food allergies are capable of causing stomach cramps, vomiting, or diarrhea. While and insect bite from a bee or a different insect, may cause pain, redness, and swelling.
Symptoms can vary widely depending on the severity of the allergic reaction. There are mild symptoms that are almost unnoticeable and make someone feel a bit off. The moderate indications can make a person feel sick as if they’ve got the flu or a cold. Then there are the most severe reactions that are very uncomfortable and could become incapacitating which is called anaphylaxis.
When the whole body is affected with an anaphylaxis, its reaction will create hives and itching all over the body, not just in the exposed area, wheezing or shortness of breath, hoarseness or tightness in the throat, tingling in the hands, feet, lips, or scalp. It is very life-threatening and requires immediate medical attention because the symptoms can progress rapidly. The best thing to do is to make a visit to the emergency room and get the proper diagnosis and treatment.
Being exposed to an allergen creates a series of events and leads into an allergic reaction. When the body starts to

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