Rinse with warm salt water several times a day
Rinse with baking soda and water
Avoid spicy, acidic, salty, and crunchy foods
Avoid alcohol and tobacco
Use an over-the-counter oral numbing gel
Use an over-the-counter protective oral paste
Take over-the-counter pain relievers if needed
Use a soft-bristled toothbrush
Brush gently and avoid irritating the sore
Stay hydrated
Eat soft, bland foods
Avoid biting the inside of your mouth
Manage stress
Use a mouth rinse recommended by a dentist or doctor
See a dentist or doctor if the sore lasts more than 2 weeks
See a dentist or doctor if sores are large, frequent, or very painful
Seek medical care if you have fever, trouble swallowing, or signs of infection