Rinse with warm salt water (½ teaspoon salt in a cup of warm water)
Floss gently to remove trapped food between teeth
Apply a cold compress to the outside of the cheek for 15–20 minutes at a time
Take an over-the-counter pain reliever as directed (ibuprofen or naproxen; or acetaminophen if you can’t take NSAIDs)
Use an OTC numbing gel or benzocaine products as directed on the label
If you suspect a cavity, keep the area clean and avoid sugary or acidic foods
Avoid very hot, cold, or sweet foods and drinks
Chew on the opposite side of the mouth
Keep your head elevated when lying down to reduce throbbing
If there is swelling, do not apply heat to the face
Avoid smoking and alcohol
See a dentist as soon as possible, especially if pain lasts more than 24–48 hours or is worsening
Seek urgent dental or medical care immediately if you have fever, facial swelling, spreading redness, trouble swallowing, trouble breathing, or pus/bad taste with significant swelling