Repeat this a few times a day, generally after meals and before you go to bed.
Never swallow mouthwash. In some cases, antiseptics (including mouthwash) can cause or make ulcers worse. If the mouthwash is irritating or painful, stop using it until your mouth ulcer heals. You can also try an alcohol-free mouthwash. [4] X Research source
Keep ice chips in a coffee thermos or a styrofoam cup to prevent rapid melting, and use them throughout the day. If ice chips are too cold for you, try to at least drink cool water throughout the day. Let it sit in your mouth and gently swish it against your sore before swallowing it.
Avoid carbonated drinks, citrus fruits, hard foods like toasted bread, and anything with a lot of salt or spice.
Get toothpaste for sensitive teeth like Biotene or Sensodyne ProNamel to use until your sore heals.
If you have any medical conditions or take other medications, talk to the pharmacist or your doctor before choosing a medication. Don’t take aspirin if you’re under 16. Never give aspirin to a child.
Your doctor or dentist can help you make sure your problem is actually a mouth ulcer, and not a tooth abscess or a rare form of oral cancer.
Fluocinonide (Lidex, Vanos) Benzocaine (Anbesol, Kank-A, Zilactin-B, Orabase) Hydrogen peroxide (Orajel Antiseptic Mouth Sore Rinse, Peroxyl)
Your doctor may prescribe oral corticosteroids if you have severe ulcers that won’t heal. These can have many side effects and are usually a last resort. Alert your doctor if you’re pregnant or breastfeeding or if you have an autoimmune disease; you might be better suited to another treatment.
Your doctor can check if you’re deficient in any nutrients by taking a blood sample.
