16. Persistent Mouth Changes
A mouth ulcer that does not heal, a persistent red or white patch, unexplained oral bleeding, or a lump in the mouth should be checked, particularly if it lasts longer than two to three weeks.
When Should You See a Doctor?
The most important thing to remember is that having one of these symptoms does not mean you have cancer. Many are caused by common, treatable conditions.
However, arrange a medical appointment if a symptom is unexplained, persists, gets worse, or is unusual for you. Seek
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