My tongue is paining, what should i do?

For the last two days my tongue's front and sides has numerous granular bumps, i know they r taste buds but they somehow look much more in number that usual, and whenever i have somefood my tongue starts burning and paining. Sweets don't cause that much pain but sour,spice really make my tongue burn and pain especially the sides and front. I thought it would heal but its not. I'm really starting to get worried, i am having so much problem eating food, im skipping meals half the time due to this.