Rinse with warm salt water several times a day
Use a baking soda rinse
Avoid spicy, acidic, salty, or rough foods
Eat soft, bland foods
Avoid alcohol and tobacco
Use an over-the-counter oral numbing gel or paste
Take over-the-counter pain relievers if needed
Brush gently with a soft-bristled toothbrush
Use a mild, alcohol-free mouthwash
Stay hydrated
Avoid picking at or irritating the sore
Try ice chips or cold drinks for temporary relief
Manage stress and get enough sleep
Check for triggers like certain foods, dental products, or mouth injuries
See a dentist or doctor if sores are severe, frequent, last more than 2 weeks, or come with fever or other symptoms