Definition
Stuffy or runny nose, sneezing, itching in the palate, eyes red and stinging. This is not necessarily a “common cold” but may be of allergic rhinitis.
Allergic rhinitis is characterized by inflammation of the nasal mucosa.
It is manifested by a set of symptoms (sneezing, nasal discharge and obstruction) due to an excessive immunological reaction in the presence of a foreign substance is called an allergen. Allergens are natural components of the environment such as pollen or cat hair, but the immune system of a person sensitive (or allergic) responds inappropriately.
Allergic rhinitis may be associated with asthma, allergic conjunctivitis and other diseases such as sinusitis or otitis.
