Allergy is an exaggerated reaction of the immune system to antigens. Bee stings, insect stings, some food, or pollens are examples of an antigen. Each antigen triggers specific allergy attack and is manifested distinctly by each person. It is of frequent occurrence nowadays.
Allergies are generally mild with mild symptoms that go within a few days of getting rid of the trigger of the allergen. Occasionally, there are cases of people suffering from anaphylaxis which is a life threatening condition where there is difficulty in breathing and loss in consciousness.
One Type of allergic reaction is seasonal allergic rhinitis or hay fever. Allergic rhinitis is caused by pollen, it is a dry protein from the plants. This pollen is spread by the wind and usually the male sex cells of the plant. When allergic rhinitis occurs throughout the year it is called perennial allergic rhinitis.
Insect stings allergic reaction is very common type of allergy. Despite that, the severity of its reaction to each person varies. Usually the person is unaware that he is allergic to this antigen until he was stung by an insect. Most of the time allergic reactions results to second time insect sting whereas the first incident would usually result to ordinary sting reaction.
Another type of allergy is to latex. The person is allergic to materials made of natural latex like condoms and medical devices. But the major cause is the mostly used medical barrier which is the latex gloves.
Another types of allergic reactions are the irritant contact dermatitis and allergic contact dermatitis, these could we get from the ingredients in the cosmetics we used like fragrances and preservatives. With cosmetic allergy you will experience skin irritation. Mold allergy is another allergy that does not have exact season as mold and fungi grow in all weather and thrive both indoors and outdoors. Some forms of outdoor mold tend to grow in higher concentrations from spring to late fall.
Allergies to pets by some people are not really due to its feather or fur but because of the dander, the invisible animal skin flakes, produces sneezing, watery eyes, and stuffy nose.
Food allergies are due to sensitivity of some to the ingredients of the food taken. Manifestations include hives, throat and tongue swelling, vomiting, abdominal cramps, diarrhea, and hypotension.
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