Question

What is Allagy?
Definition?
And kinds of Allagy?

Answer 1

Anything can be an allergen if the immune system has an adverse reaction. A substance that causes an allergic reaction is called an allergen. ... Some of the most common allergens are dust, pollen, and nuts. They can cause sneezing, peeling skin, and vomiting.

Here's a rundown of the most common kinds of allergies.

Allergic rhinitis: swelling and inflammation of nasal passages, congestion, sneezing, and itchy, watery eyes caused by a variety of outdoor and indoor allergens.

Sinusitis: an infection of the sinuses sometimes related to or caused by allergic rhinitis or asthma.

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Answer 2

it is allergy
definition :
a damaging immune response by the body to a substance, especially a particular food, pollen, fur, or dust, to which it has become hypersensitive.

kinds of allergy:
1. Allergic rhinitis
2.Sinusitis
3. Asthma
4. Food allergies
5. Bee sting allergy
6. Latex allergy


find everything at thus website
https://www.everydayhealth.com/allergies/types-of-allergies.aspx