Swellings/thickenings, lumps or bumps, rough spots/crusts/or eroded areas on the lips, gums, or other areas inside the mouth.
The development of velvety white, red, or speckled (white and red) patches in the mouth.
Unexplained bleeding in the mouth.
Unexplained numbness, loss of feeling, or pain/tenderness in any area of the face, mouth, or neck.
Persistent sores on the face, neck, or mouth that bleed easily and do not heal within 2 weeks.