How can I prevent canker sore?

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Answers:
make sure you're thinking about canker sores and not cold sores (which are herpes, and found on and around the lips)

they are an autoimmune reaction and there is very little currently you can do to get rid of them or prevent them--don't bite, poke, or chew on them, keep your mouth clean, and don't eat things that irritate them, and they'll heal quicker

Other Answers:
God, how I wish i knew! But you cant. Just avoid tangy foods like sauces and things. but for me, i cant do anything to avoid them.

Eat and drink less acidy stuff. That will help, but nothing will totally prevent them.

You can't

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How can I prevent canker sore?

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