👉 Schistoglossia is a condition in which there is an abnormal growth of the tongue or lips, often due to trauma or injury. It can be caused by a variety of factors such as accident, injury, or infection. The symptoms of schistoglossia may include: 1. Pain and swelling at the base of the tongue or lips 2. Difficulty in swallowing food or liquids 3. Redness or scarring on the tongue or lips 4. Increased sensitivity to touch