If you are unfamiliar with the various treatment options then visit the NHS website page on mouth ulcer. Remember to always discuss over-the-counter treatment with your local pharmacist so they can check if it is suitable for your condition and safe for you to take.

Mouth ulcers are painful sores that appear in the mouth. Although uncomfortable, they are usually harmless and most clear up by themselves within a week or two.

The following topical treatments can help ease pain symptoms caused by mouth ulcers

Topical treatments

Active ingredient Brands
Lidocaine Anbesol Adult Strength gel
Anbesol liquid
Iglu gel
Benzocaine Orajel Dental Gel
Orajel Extra Strength
Orakel Mouth Gel
Choline salicylate Bonjela Adult
Bonjela Cool
Menthol and cetylpyridinium chloride Rinstead Sugar Free Pastilles
Benzydamine Difflam oral rinse
Difflam spray


Active ingredient Brands
Chlorhexidine Care Chlorhexidine Digluconate Antiseptic Mouthwash
Corsodyl 0.2% Mouthwash
Corsodyl Dental Gel
Corsodyl Mint Mouthwash
Corsodyl Original Mouthwash

Over-the-counter treatments listed on this page are available at your local pharmacy. Find your closest pharmacy below.