Rhinitis is a reaction that occurs in the eyes, nose and throat when the irritants in the air (allergens) trigger the release of histamine. Histamine causes inflammation and fluid production in the fragile linings of nasal passages, sinuses and eyelids.
What are the different 
of rhinitis?
The two categories of rhinitis are:
* Allergic rhinitis
There are two types of allergic rhinitis:
seasonal – occurs particularly during pollen seasons.
perennial – occurs throughout the year.
The most common causes of allergic rhinitis are:
pollen.
dust mites.
mold.
animal dander. (more…)
