WHAT IS ALLERGY?
Allergies come to the surface when the internal system that is responsible for shielding the body reacts to an outside substance. This foreign body can be anything like dust, pollen, pet dander etc. Not to forget even food products act as a foreign substance for your body and can be a cause for allergies.
The internal system that is responsible for shielding the body against foreign bodies is termed as the immune system. The immune system produces substances known as ANTIBODIES that identifies allergens as harmful or acceptable. When you come into contact with the allergen, your immune system's reaction can inflame your skin, sinuses, airways or digestive system. The severity of allergies varies from person to person and can range from minor irritation to anaphylaxis — potentially life-threatening emergency.
SYMPTOMS OF ALLERGY
Allergy symptoms, which depend on the substance involved, can affect your airways, sinuses and nasal passages, skin, and digestive system. Allergic reactions can range from mild to severe. In some severe cases, allergies can trigger a life-threatening reaction known as anaphylaxis.
A food allergy can cause:
An insect sting allergy can cause:
A drug allergy can cause:
Atopic dermatitis, an allergic skin condition also called eczema, can cause the skin to:
Hay fever, also called allergic rhinitis, can cause:
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