[header] How to stop a mouth ulcer from hurting [title] Decide how long you can wait for pain relief. [step] Some natural remedies are quick and easy to make using ingredients you probably have in your pantry. Others, while easy, may either require ingredients only available at specialty food stores or may take time to prepare. 
[substeps] Try various home remedies until you find the ones that work for you. Be aware of any food allergies or other sensitivities you may have before trying any home remedies.