The alergies could be defined as short term inflammation of the mucus membranes which line the nasal passage. The spring and fall are the typical alergy seasons when alergic reactions get aggravated due to some trees and grasses pollinate. The most commonly known condition – hay fever is basically caused by the airborne pollens from trees, grasses, flowers and weeds. The similar seasonal allergy exhibits during the late summer of early fall when the ragweed causes the reactions.

The airborne pollens from different seasonal plants or spores from the mold enter the body through our eyes, nose, or throat and aggravate the allergic reactions. Usually, the immune system doesn’t react to mildew elements like pollen and mold.

But the defensive immune system of the sensitive person’s body when finds such allergens, it sets free the flow of chemicals like histamines accompanied by other compounds to provoke the local areas which ends up in irritation and discomfort.