Allergies are excessive reactions of the immune system in some individuals to proteins and foreign substances that are not harmful in general. Usually, allergies do not occur upon first exposure, when a person is exposed to allergens for the first time, the body develops molecules called antibodies against invading proteins and this is called the immune response and upon exposure To allergens again, the immune system produces large amounts of antibodies that break down cells that contain chemicals such as histamine. This leads to allergy symptoms.
According to the “Medical Express” site, it may take days to years to develop an allergy or sensitivity and sometimes develop sensitivity when the affected person shows symptoms, but he 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 (at the bridge of the nose, near the eyes, on the cheeks and on the forehead)
Cough
Skin rash (hives)
Swollen lips or face
Itching of the eyes, ears, lips, throat and roof of the mouth
-nausea
Vomiting
Abdominal cramps and diarrhea
Symptoms of anaphylaxis
When a severe allergic reaction is life-threatening, it is called an anaphylactic shock or anaphylactic shock that involves the whole body.
Anaphylaxis includes:
Swelling of the throat and mouth and obstruction of the airways, which leads to difficulty breathing and difficulty speaking or swallowing
A rash and itching elsewhere on the body
Weakness and collapse, often with loss of consciousness due to a sudden drop in blood pressure
Anaphylaxis requires urgent emergency management.
Common allergies
Allergy usually refers to allergic rhinitis characterized by a runny nose, eyes, and sneezing.
There are two main categories: seasonal allergic rhinitis (SAR(And perennial allergic rhinitis)THROUGH) While related SAR With exposure to pollen in certain seasons it occurs THROUGH Almost all over the year.
Allergic rhinitis affects an estimated 20-40 million people in the United States.
Other types of type 1 reaction are food and drug allergies and allergies to insect venom.
Insects that may 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 dander, germs or mildew, dust mites, etc. There is severe wheezing, shortness of breath, cough and thick mucus secretions.
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