At the same time, it can be hard to distinguish between a cold sore and angular cheilitis.

Here’s how to tell the difference.

These patches grow drier with time and crack, leading to the formation of sores.

Woman with pained face

Regular cold sores won’t form this violently.

However, these cold sores aren’t as violent as angular cheilitis, and they can come and go.

You may need treatment for either option.

Woman with mouth sores