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Allergy is an overreaction of the immune system in some individuals to proteins and foreign substances that are not generally harmful. Usually the allergy does not manifest itself at the first exposure, when a person is first exposed to allergens, the body develops molecules called antibodies to invasive proteins and this is called the immune response and to exposure Also for allergens , the immune system produces large amounts of antibodies that break down cells containing chemicals such as histamine, causing allergy symptoms.
According to the “Medical Express” website, it can take days or years to develop an allergy or sensitivity and sometimes develop sensitivity when the infected person exhibits symptoms but never becomes allergic to all allergens.
Allergy symptoms
Allergy symptoms include:
Sneezing
-Shortness of breath
Wheezing in the chest
Runny nose and eyes
Sinus pain (in the bridge of the nose, near the eyes, on the cheeks and forehead)
Cough
Skin rash (hives)
Swollen lips or face
Itchy eyes, ears, lips, throat and palate
-nausea
He retched
Abdominal cramps and diarrhea
Symptoms of anaphylaxis
When a severe allergic reaction is life-threatening, it is referred to as anaphylactic shock or anaphylactic shock involving the whole body.
Anaphylaxis includes:
Swelling of the throat and mouth and obstruction of the airways, leading to difficulty in breathing and difficulty speaking or swallowing
Skin rash and itching in other parts of the body
Weakness and collapse, often with loss of consciousness due to a sudden drop in blood pressure
Anaphylaxis requires urgent emergency management.
Common types of allergies
Allergy usually refers to allergic rhinitis characterized by a runny nose, eyes and sneezing.
There are two main categories, namely seasonal allergic rhinitis (SAR(And perennial allergic rhinitis)THROUGH) While related SAR With exposure to pollen in certain seasons occurs THROUGH Almost all year round.
Allergic rhinitis affects about 20-40 million people in the United States.
Other types of type 1 reactions are food and drug allergies and insect venom allergy.
Insects that can trigger allergies include bees, wasps, yellow jackets, ants, wasps, etc.
Allergic asthma is also a type 1 allergic reaction. This happens when the allergen is inhaled.
Common allergens include pollen, animal hair, germs or molds, dust mites, etc. There is a strong wheezing, shortness of breath, cough and thick mucus secretions.
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