12 Facts About Allergic rhinitis

Allergic rhinitis, of which the seasonal type is called hay fever, is a type of inflammation in the nose that occurs when the immune system overreacts to allergens in the air.

Many people with allergic rhinitis have asthma, allergic conjunctivitis, or atopic dermatitis.

Allergic rhinitis is typically triggered by environmental allergens such as pollen, pet hair, dust, or mold.

Allergic rhinitis is the type of allergy that affects the greatest number of people.

Characteristic symptoms of allergic rhinitis are: rhinorrhea, itching, sneezing fits, and nasal congestion and obstruction.

Allergic rhinitis triggered by the pollens of specific seasonal plants is commonly known as "hay fever", because it is most prevalent during haying season.

Recently, it was found that allergic rhinitis patients expressed higher levels of IL-33 in their nasal epithelium and had a higher concentration of ST2 serum in nasal passageways following their exposure to pollen and other allergens, indicating that this gene and its associated receptor are expressed at a higher rate in allergic rhinitis patients.

Local allergic rhinitis is an allergic reaction in the nose to an allergen, without systemic allergies.

Symptoms of local allergic rhinitis are the same as the symptoms of allergic rhinitis, including symptoms in the eyes.

Goal of Allergic rhinitis treatment is to prevent or reduce the symptoms caused by the inflammation of affected tissues.

In 2013, a study compared the efficacy of mometasone furoate nasal spray to betamethasone oral tablets for the treatment of people with seasonal allergic rhinitis and found that the two have virtually equivalent effects on nasal symptoms in people.

Allergic rhinitis is the type of allergy that affects the greatest number of people.