Severe, throbbing tooth pain
Pain that spreads to the jaw, ear, or neck
Sensitivity to hot or cold
Pain when chewing or biting
Swollen face or cheek
Swollen, red, or tender gums
A pimple-like bump on the gums
Pus or a bad taste in the mouth
Bad breath that does not go away
Fever
Swollen lymph nodes
A tooth that feels loose
Difficulty opening the mouth
Trouble swallowing or breathing
Pain that gets worse over time