Severe throbbing pain that starts 1–4 days after a tooth extraction
Pain that gets worse instead of better
Pain that spreads to the ear, jaw, temple, or neck
Empty-looking socket where the blood clot should be
Visible bone in the extraction site
Bad breath
Bad taste in the mouth
Swelling that is mild or absent, but pain is intense
Pain not relieved by usual pain medicine
Bleeding that has stopped but the area is very painful