A woman clutches her mouth in pain

First Aid Handbook: Mouth Ulcers

While mouth ulcers are sometimes also called canker sores, they are completely different from cold sores that appear on the outside of your mouth and can be contagious. Mouth ulcers are a tiny, but painful issue, and one that our Integrity Urgent Care team has their own experiences with. While researchers aren’t entirely sure what causes these little bumps, our medical staff can help you understand these small inconveniences and have a few tips for how to deal with them.