hey i'm 19 years old, i recently got these red bumps on the back of my tongue,,they are not small . they seem to be covered with white things. on top of that, ive been getting a burning sensation on my tongue and just recently i been feeling like theres something in my throat but i cant see if theres anythign in there. what could this be? my pain in my throat is not a sore throat feeling just like if theres something stuck there