A Mouth Sore That Will Not Heal: When to Get It Checked

NIDCR advises seeing a dentist or doctor when a mouth sore, irritation, lump, or unusual patch lasts more than two weeks. Other concerns include unexplained numbness, a neck lump, or persistent difficulty moving the tongue or jaw.

These symptoms can have other causes. The reason to arrange an assessment is to find the explanation, not to conclude from a photograph that it is cancer. Seek help sooner if a change is worsening or you are concerned.

Note when you first noticed the area, whether it has changed, and whether a tooth or denture seems to rub against it. Mention tobacco and alcohol use, medical treatment, and any similar previous problem.

A dated photograph can help explain a change to the treating clinician, but it does not replace an examination. Do not repeatedly scrape, burn, or apply unprescribed remedies to the area.

A dental examination can include checking the mouth, lips, face, and neck for unusual findings. If something needs further investigation, the dentist may recommend follow-up, additional tests, or specialist referral. A screening finding is not itself a cancer diagnosis.

Ask what was observed, who will handle the next step, and when it should happen. If a referral is advised, make sure you understand how to arrange it rather than waiting indefinitely for the area to disappear.

Urban Dental Care lists oral cancer screening within its preventive care. When booking, explain that you have a persistent mouth change so the visit can address that concern. Do not wait for your next routine cleaning if a new symptom needs assessment.

Trouble breathing or swallowing, or rapidly increasing swelling, requires emergency medical care. For persistent throat or neck symptoms, contact a medical clinician as well as discussing any oral findings with your dentist.