Rinse with warm salt water (1/2 tsp salt in 1 cup warm water) 3–4 times daily
Use over-the-counter numbing gels or liquids (benzocaine, lidocaine) as directed
Apply protective oral pastes or films (hyaluronic acid or similar barrier products) as directed
Use OTC pain relievers such as ibuprofen or acetaminophen as directed
Avoid spicy, acidic, salty, or rough foods (citrus, tomatoes, chips, hot sauces)
Avoid alcohol-based mouthwashes and smoking products
Keep good oral hygiene with a soft toothbrush and gentle brushing
Use a mild, alcohol-free mouthwash if needed
Limit trauma by avoiding aggressive brushing and sharp foods
Consider OTC corticosteroid mouth products for recurrent or severe sores (as directed)
If you get them frequently, ask a clinician about triggers and prevention options (including vitamin/mineral deficiencies)
Seek urgent care if you have trouble swallowing, severe pain, fever, or widespread sores
Seek medical/dental care if sores last longer than 2 weeks, are very large, or recur often
Ask a clinician about prescription treatments if OTC options don’t help (topical corticosteroids, other prescription mouth rinses)