Canker sore

A canker sore is a little sore that can show up in your mouth. It can be really annoying and painful, like when you get a cut on your finger. Sometimes it can feel like there's a little bump in your mouth that hurts when you talk or eat.

Canker sores come from a bunch of different things like stress or eating lots of really acidic foods. They can also be caused by certain medical conditions or allergies.

If you get a canker sore, there are things you can do to help it feel better. You can try using special mouth rinses or gels that help numb the area and relieve the pain. You can also try not to eat spicy or acidic foods that might make the sore worse.

Most of the time, canker sores will go away on their own in a week or two. But if they stick around for longer than that, you might need to go see a doctor or dentist to make sure everything's okay.