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 ...

Compared to minor canker sores, so-called “major” cankers are larger and occur more often. “It’s to the point where the ...

The report states that canker sores are not contagious. While the pain takes about a week to 10 days to subside, the affected ...