What are the different entry routes of allergens?
Through the nose
Through the mouth
Through the hairs
Through the skin
Through the nose
Through the mouth
Through the skin
The substance that causes allergic reactions is called allergens like sunlight, dust, mites, pollen grains, etc.
An allergen can enter the body in the following ways:
Through the nose: Allergen such as pollen grains, dust, and animal hair can enter the body when a person breathes in.
Through the mouth: food allergens such as milk, eggs, fish and some medicines enter the body when a person eats such food.
Through the skin: Allergic reaction also occurs due to insects bites and sting. An allergy is also caused when our skin comes in contact with certain metals or cosmetics and strong sunlight.