Y has my voice been so scratchy even tho im not sick!!!?

my voice has been scratchy lately so i cant talk without having 2 clear my throat every second. it doesnt feel like theres n e phlegm in my throat at all, and ive been drinking a lot of liquids so its not dry. wut could be the problem and wut can i do? hot tea and cough drops only help temporarilly, sometimes not at all. HELP!!!