The scratchy throat allergies is more to allergy which commonly occurred to someone who has weak immune system. This kind of immune can react to things that you eat, touch, and inhaled. Each substance that is entering your body will be treated as enemy which will be combat by the immune system within your body. If your immune can’t fight the bad substances, you will get allergy or even sickness. Those substances which tend to cause the allergy called as allergens such as pollen, molds and the likes. While the scratchy itchy throat commonly occurs within winter which is caused by the coax of trees and plants which triggers sneezing and sniffling and reacts to the allergy.