sore mouth and gums symptoms
Symptoms & Signs. Sores or localized abnormalities inside the mouth can arise from a number of causes. Mouth sores can occur on the tongue, gums, lips, or inside the cheeks. They may appear as ulcers or red or white patches in the mouth. Bleeding may sometimes occur if ulceration is severe. Bite injuries to the tongue or inside of the cheek are a common cause of mouth sores.