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.

Geographic tongue Geographic tongue is an inflammatory condition of the tongue that results in white and red patches which may ... A biopsy of the lesion may also be done to confirm the diagnosis.

Over-the-counter gels provide temporary pain relief for both minor and moderate cankers. They feature an anesthetic called benzocaine that numbs the affected area. They also shield the canker from ...