I have swollen glands under my neck, hurts to swallow, jaw hurts, teeth hurt. Feel like I have been to dentist and had work done. Hurts to eat.?

See a physician . Please try some anti- inflammatory medications. I suggest you see a physician as you might need antibiotics.
Need to go see. a doctor to see what is going on. may have abscess etc. probably need to be on antibiotics and consider biopsy after weeks if no improvement.