Over-the-counter gels provide temporary pain relief for both minor and moderate cankers. They feature an anesthetic called benzocaine that numbs the affected area. They also shield the canker from ...

Also, if a canker sore does not get better on its own in three weeks, then you will need to get further medical assistance.

What is the difference between a canker sore and a cold sore ... painful lesions that develop inside the mouth on soft ...