There are several over-the-counter (OTC) products available to help manage mild cases of RAS. Some cover the ulcers, providing protection while they heal; others numb the area temporarily. Prescription options include topical steroids, in gels or rinses, by injection and/or systemic (through the body) medications. The goals of treatment are to decrease severity of pain, frequency and duration of the ulcers and to promote healing more quickly.
Mouth sores should be taken seriously. You should seek dental or medical evaluation if:
- A mouth ulcer or sore has not healed within 2 weeks
- There is an increase in the severity, frequency or duration of the condition
- You are never without a mouth sore
Ulcers or sores that do not heal properly may need to be biopsied, which involves taking a small sample of tissue to be viewed under a microscope, to rule out underlying medical conditions like skin disease, precancer and/or cancer. Other tests including blood tests may also be needed to make a proper diagnosis.