Head pain localized on the right side, TMJ, ear infection?

My head has been hurting me for days, today being the worst. I thought that stress was causing a flare up tmj so I bought a mouth guard. I woke up today with localized pain on the right side of my head, my temple, behind my hear...when I bend over it throbs (so painful). I have tried over the counter pain relievers, none have helped. I have tried ice and hot packs, nothing really help or too long. I have had head pain for days and I don't know what to do. I have no insurance, but if I should go to the Dr. I need advice please..