Overview
Gum over a partly erupted tooth can get infected.
Symptoms
Common signs:
- Pain at the back of the jaw
- Pain at the back of the jaw behind the last teeth
Less common
- Swollen gums
- Bad taste
Look up a symptom: Pain at the back of the jaw behind the last teeth · Swollen gum, cheek, or jaw near a tooth · Toothache or tooth sensitive to hot, cold, or sweets
When to get medical care
Causes
Little room in the jaw.
Does it spread or run in families?
- It isn't contagious. You can't catch it from someone else.
Who is more likely to get it
- Young adults
Possible complications
Diagnosis
A dentist examines.
Tests
Tests, if needed:
- Dental X-ray:
Treatment
Ease pain and see a dentist.
Self-care
- Rinse with salt water
- Keep the area clean
Medicines
Medicines that may help:
| Medicine | Helps with | Good to know |
|---|---|---|
| Pain relievers | Pain and swelling | Ask first if you have kidney, stomach, or heart problems. |
OwieClear doesn't give doses: follow the label or your healthcare professional. Medicine names here are examples, not a full list.
Prevention
To lower your risk or prevent problems:
- Brush back teeth well
Which doctor treats this
- Start with your dentist.
Back to school, work, or sports
- Most people can go back to school or work the same day or the next day.
Children, pregnancy, and older adults
- Ages 17 to 25: Most common.
Pregnancy and breastfeeding
- If you're pregnant or planning to be, tell your prenatal provider about this condition.
- Don't start or stop any medicine on your own. Some are safe in pregnancy and some need to be changed.
- Ask before taking any pain reliever. The FDA advises avoiding ibuprofen and naproxen after 20 weeks unless your doctor says to.
- Breastfeeding: Most medicines are fine, but ask. The NIH LactMed database lists what's known about each one.
Outlook
Removal fixes it.
Getting ready for your visit
Bring a list of your symptoms and medicines.
Questions to ask
- Should they come out?
Research studies
Research studies test new ways to find and treat health problems. Some are looking for volunteers. Talk with your doctor before joining one.
Sources
Last updated 2026-11-12.