Question

What are the various entry routes of allergens

Answer 1

Allergens enter the body through four main routes: the airways, the skin, the gastrointestinal tract, and the circulatory system. Airborne allergenscause the sneezing, runny nose, and itchy, bloodshot eyes of allergic rhinitis (hay fever). ... The most common airborne allergens are the following: plant pollens.

Answer 2

Answer:

Allergens may be defined as the substance that can evoke the immune response of the organism. The pollen grains, peanuts can acts as the allergen in the body.

Four main route of allergens are as follows;

Airways: Airborne allergen can cause the running nose, hay fever and may cause problems like asthma.

Skin: The allergen can directly enter in the body by the direct contact with the skin. These allergens itching and red of the skin.

Circulatory system: The direct biting of the poisonous or venous organism secrete their allergen in the circulatory system. They can cause anaphylactic shock in the body.

Gastro intestinal tract. Allergen may also enter in the body by direct eating the food contaminated with allergen. These allergens may cause swelling and decrease in blood pressure.