Minor complications such as tongue blisters (9 instances) healed spontaneously; 3 tongue focal areas of necrosis healed spontaneously; 3 infections responded to antibiotic treatment; 1 focal tongue ...

Exact symptoms and characteristics depend on the cause. A sore tongue can be swollen, inflamed, discolored, or marked with blisters or sores. Read on for specific causes. Canker sores can develop ...