What is the direct answer?
Repeated mouth blisters are often ulcers caused by local injury or inflammation, but persistent or unusual sores need an examination.
What does this question mean?
Aphthous ulcers commonly appear as painful shallow sores with a pale or yellow centre and red border on movable lining tissue, while herpes lesions usually affect the lip edge or hard palate.
What can you do next?
Trauma from biting, sharp teeth, appliances, burns, stress, some medicines, and systemic illness can also contribute.
Frequently asked questions
Can home care cure the underlying problem?
Home care can reduce irritation and symptoms, but decay, infection, cracks, and persistent lesions need diagnosis and treatment.
What information should I bring?
Note when it began, what triggers it, where it is, what makes it better or worse, and any swelling, bleeding, trauma, or medicines.

