Mouth sores usually go away in 10 to 14 days, even if you don't do anything.

A few drugs may be more likely to cause mouth sores than others.

I have not had any side effects other than a few mouth sores in the beginning, which went away after about a month.

Had the mouth sores once, and that lasted about 10 days.

Mouth sores can be painful and may make it hard for your child to eat.

Tobacco chemicals can also cause mouth sores that could turn into cancer.

Your mouth sores will slowly start to go away.

We also added a red "call now" for babies less than 3 months old with mouth sores and a fever.

"I still have bad mouth sores from my last chemo," she said.

You can reduce your chance of getting common mouth sores by: