Common Allergens

An allergen is a harmless substance that triggers the immune response

. This response can cause allergy symptoms such as sniffling, sneezing and itchiness and watery eyes.

What are the entry sites of allergens?

Allergen enters mainly by inhalation, ingestion, injection and by direct skin contact.

What are the common allergens?

Common allergen are present in large concentration in our environment. They are biologically active and responsible for most of the allergic reactions in human body.