question: hi, i notice that for the pass 2 weeks i have a couple of red bumps on my tongue, mostly in the back of my tongue and it feel like it going in my throw, it dont hurt and i eat normally, and on the right side i have a bad metalic taste when or when im not eating and the tip of my tongue tickle, i dont drink or smoke, but i havent take care of my mouth like i should before this all start. I try to rinse it with listerine but it burn