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Allergy is nothing but, a reaction caused by the immune system to fight against certain foreign substances entering the body. Generally, these foreign substances are ideally harmless. But sometimes, the immune system may treat them as harmful pathogens and thus produces antibodies to fight against them.
The foreign substances entering the body are called allergens. Some of the most common allergens are drugs, food, spices, insects, pollens, metals, and various animal products.
Allergies can be differentiated based on the allergens causing it. The most common types of allergies are
Normally the allergy is diagnosed either with skin or blood tests. In the case of the skin test, the allergist will prick your skin using small needles that contain potential allergens and the reaction in the skin is noted.
In the case of a blood test, your blood sample will be drawn and tested for antibodies causing the allergy.
Generally, allergies cannot be cured but can be controlled with proper medications and immunotherapy. If your allergy is severe, then you will be given emergency epinephrine shots.
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