Signs and symptoms of a tooth abscess include: 
Severe, constant, throbbing toothache that can spread to your jawbone, neck or ear
Pain or discomfort with hot and cold temperatures
Pain or discomfort with the pressure of chewing or biting
Fever
Swelling in your face, cheek or neck that may lead to difficulty breathing or swallowing
Tender, swollen lymph nodes under your jaw or in your neck
Foul odor in your mouth
Sudden rush of foul-smelling and foul-tasting, salty fluid in your mouth and pain relief, if the abscess ruptures
