Mouth ulcers happens due to lots of reasons some of them are nutritional deficiency like vitamins and iron deficiency, hormonal changes,stress ,food allergies,cheek biting and sometimes from some medications like painkillers.
You can apply dologel 3-4 times a day
Take a drop on your finger and apply on affected area.
Next Steps
please visit your nearest dentist to rule out the cause of ulcers
Health Tips
Don't take spicy , acidic foods and don't drink very hot drinks.