Headache, ear, jaw pain. feel tired and have a foggy feeling. i think it's my sinus but not sure.

Head/jaw/ear pain: The symptoms you are describing can be attributed to the flu, sinus infection, tmj/tmd disorder (usually the result of bruxism, which is chronic teeth grinding and/or clenching), sleep apnea/sleep disorders. See your dentist for an examination and evaluation of tmd. See your medical doctor or an ENT specialist to check for sinus and/ or ear infections.

TMJ syndrome: may cause ear pain, sinus pain, headache, and dizziness. A variety of other treatments are available for chronic TMJ syndrome, see your dentist for exam.