Your immune system overreacts to an allergen, which is what causes allergies. An allergen is a foreign material, such pollen or pet dander (skin cells from furry or feathered animals), that most individuals are not allergic to. However, your immune system reacts to allergens the same way it would to a bacterium or virus. In order to combat the allergen, your body produces an antibody when this occurs. This results in symptoms like breathing difficulties, hives, itching, and sneezing. Usually, these symptoms are not so bad. However, allergies can occasionally result in the potentially fatal reaction known as anaphylaxis.Spring and fall are the two seasons when allergies occur. Seasonal allergies are those that affect you at the same times of year every year and are typically brought on by pollen from grasses, trees, and weeds. In the spring, when most trees release their pollen, grasses do so in late spring and early summer, while weeds do so in late summer and early fall.
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