However, a singular, hard bump on the tongue can be a cancerous growth. Sores, red or white spots, irritated spots, numbness, lumps, and growths in the mouth are common signs of cancer.

White spots on the tongue may be callous-like spots that come ... inflammatory condition of the tongue that results in white and red patches which may have slightly raised borders that quickly ...

There are numerous potential causes for red spots to form on the skin, including sudden infections or underlying chronic conditions. On darker skin tones, the spots may appear as purplish or ...