Allergic Rhinitis also known as hay fever occurs when a person inhales an allergic like dust, dander or pollen. This triggers the allergy and nasal passage inflames accompanied by watery nasal discharge and the eyes and nose become itchy.

Hay fever is caused by inhaling pollen of plants like grasses, ragweed and deciduous and evergreen trees. Amount of pollen in the air has a direct link to hay fever. Dry, hot and windy days will act as carriers of pollen whereas cool, damp rainy days wash away pollen with them.

Genetics also play a major role in a person being prone to allergies.

Sometimes allergies are prolonged and are not contained to seasonal changes. Causes of such allergies are animal dander, cockroaches, Dust mites and molds.