What are Allergies and Their Symptoms?

They are not something you have heard of before. It is common for 20% of Americans to experience an allergic reaction to food, water, or air. What are allergies? What are allergies? And how do they occur?

Type I hypersensitivity (allergies) is a defect in our immune system. Our body becomes hypersensitive to non-immunogenic substances and our body reacts immunologically to them. Allergens are substances that can cause our bodies to react in this manner.

Clemens von Pirquet (Viennese pediatrician) first used the term allergy in 1906 after he noticed that some symptoms of his patients could have been caused by allergens such as dust or pollen.

Signs & Symptoms

If you notice swelling in certain areas of your body, it is a sign that your allergies are reactivating. This is known as a local or systemic allergic response. It is caused by allergens. If your allergies cause you to have swelling in your nasal mucosa, this is known as allergic rhinitis. You will likely find yourself doing the “nasal salute,” which is a gesture that you use to wring your nose upwards.

Redness and itching of your eyes can indicate allergies. Wheezing, dyspnoea, and bronchoconstriction are all common symptoms of allergies. Other symptoms include eczema and hives as well as contact dermatitis.

Local symptoms are less severe than systemic allergic reactions. The severity of your allergy can lead to cutaneous reactions and bronchoconstriction, Edema, hypotension, coma, and even death.

Hay fever is one example of a minor allergy caused by airborne pollutants. However, allergies can also be caused by medication.

What causes allergies?

Our immune system protects us from harmful substances by being a disciplined and well-trained bio-weapon. Its amazing mechanics can detect and destroy many foreign invaders. Our immune system can make mistakes, however, no matter how amazing it is. As a result, we get allergies.

Hypersensitized immune systems mistakenly identify harmless substances as dangerous and attack them with greater intensity than necessary. This can lead to problems that range from mildly annoying to unbearable to complete failure of major organs.


What causes the immune system to become hypersensitized?

This is a topic that has many ideas. Many schools believe that allergy is almost always caused by the protein. Some people have defective genetic codes that make it difficult for their white blood cells, or lymphocytes (the stuff your immune system is made from), to distinguish between threatening and non-threatening proteins.

For example, if you ingest shellfish protein, your lymphocytes believe that it is trying to invade your body. They produce large quantities of antibodies that attach to basophils and mast cells throughout the body. This is called sensitizing exposure, and it is why you suddenly get allergic reactions.

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