why do i have a sore on my tongue
There are many things that can make your tongue to become sore or cause painful bumps to form, including: 1  Trauma. 2  Accidentally biting your tongue or scalding it on something straight out of the oven can result in a sore tongue until the damage heals.
Some of the more common causes of sore or painful tongue include canker sores, cold sores, bite injuries, and burns. In some cases, pain that originates in other sources (such as cardiac angina or problems with the teeth and/or jaws) can be experienced in the tongue, even though the tongue itself is normal.