Allergy

Discuss what is allergy, allergens, their entry routes; different types of allergies, their allergens and symptoms; Allergic reactions; Precautions and diagnosis

Allergy

Allergy is a condition which is caused by the hypersensitivity of the immune system to certain substances present in the environment that usually causes no adverse effects to most people.

Allergens are substances that cause allergy. These include dust, food, pollen grains, etc.

The allergic respon…