Rinse with warm salt water several times a day
Use a baking soda rinse
Avoid spicy, acidic, salty, or rough foods
Eat soft, cool foods
Drink plenty of water
Use over-the-counter pain relievers if needed
Apply topical oral gels or creams for pain relief
Use a soft-bristled toothbrush
Avoid alcohol and tobacco
Maintain good oral hygiene
Avoid picking or irritating the sore
Use ice chips or cold drinks to reduce discomfort
Try an antiseptic mouth rinse if recommended
See a dentist or doctor if sores last more than 2 weeks
Seek medical care if sores are severe, frequent, or accompanied by fever, swelling, or trouble swallowing