while sleeping i wake up with a pain in my ear and my jaw hurts when i try to eat breaskfast-it las about 20 mins the goes away until the next day -went to see my doctor he checked both ears -the right ear was fine but the left ear had some reddness. he put me on amoxicillin 500 mg. i noticed a yellow lump in the back of my tongue a couple of days after i took the drug -it looked like a small pop corn conrel stuck on my tongue. i try to swallow it anf mouthwash to wash it down -but it still on my tongue--i also tale blood pressure pills and high chol. pill too. can you tell me what the lump is.? side effect from all the drugs i take?