I m getting throat itnchness whenever it's afternoon time ,or any time regularly from lot of months,i want to know what's the reason and fix it sir , i use high volume fan while sleeping,sleep around 7 to 8h daily i took local medicine stores medicine whenever gets high throat itnchness before getting cold i not let my body to release common cold fully like 1 week did it is the problem also i took lot of medicine like zinc ,other medicines for body after taking them i saw this