Part 1 of 8: Overview
What Is Allergic Rhinitis?
Allergic rhinitis, also called hay fever, is the group of uncomfortable symptoms that occur when your body is exposed to a specific allergen. An allergen is a typically harmless substance, such as grass or dust, which causes an allergic reaction. Pollen is the most common allergen for most people.
When your body comes into contact with an allergen, it releases histamine. This is a natural chemical that is actually intended to defend the body from the allergen. However, this chemical causes many uncomfortable symptoms (allergic rhinitis) that include runny nose, sneezing, and itchy eyes.
This condition can interfere with your everyday quality of life, so it is important to find treatment.
Part 2 of 8: Allergens
Types of Allergens
Common allergens that can cause this condition include pollen, dust, animal dander (old skin), cat saliva, and mold.
Pollen is the biggest allergen culprit, especially during certain times of the year. Tree and flower pollen is more prevalent in the spring, while grasses and weeds produce more pollen in the summer and fall months.
Part 3 of 8: Risk Factors
Risk Factors for Allergic Rhinitis
Allergies can happen to anyone, but they tend to be genetic. You are more likely to develop allergic rhinitis if your family has a history of allergies. According to the National Institutes of Health, the chances are even higher if your mother has a history of allergy problems (NIH).
There are also substances that can trigger this condition or mak----
----http://www.healthline.com/health/allergic-rhinitis#Allergens2