Rinse with warm salt water several times a day
Sip cool water often to keep the mouth moist
Avoid hot, spicy, acidic, or crunchy foods
Eat soft, bland foods
Avoid alcohol and tobacco
Use over-the-counter pain relief as directed on the label
Try an oral numbing gel if appropriate for you
Brush gently with a soft-bristled toothbrush
Avoid very hot drinks and foods
Rest and stay hydrated
See a dentist or doctor if it lasts more than 1 to 2 weeks
Seek care sooner if there is swelling, fever, pus, trouble swallowing, or severe pain