I am having some upper tooth pain, sore cheeks jaw. Been going on a couple of weeks. It happens when I wake up, then kind of goes away in the afternoon. Then at night it comes back a little while before I go to bed. I do have some allergiesi think. I have some phlem in my throat i can haucker out occasionaly. I am not on any meds currently. what could this be, allergies?, sinus infection ?, something else?