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What is an allergy?
An allergy is a non-communicable disease and is a medical condition that makes a person feels unwell, when they eat or come in contact with a particular substance like itchy ears and eyes, eating of food like milk and egg. It occurs when the body’s immune system overreacts to a normally harmless substance.
How is it caused?
Allergy is caused by substance present in the environment known as allergens. Most common allergens present in the environment are:
- pollens from trees and flowers
- medicine
- coughing
- food like milk and egg
- Least allergens are found in nuts and fruits.
Few symptoms of allergy are itchy eyes and ears, coughing, sneezing, runny nose, headache, teary eyes, itching in skin, nose etc.
allergy, allergy products, allergy relief, germs, sneezing, teary eyes, trees and flowers
