I'm not sure if it is related to IBS or not but I used to get them a lot, like 2-3 times a month. Doc told me to take vitamin B12 and probiotics. Ever since I have been on both (about
6 months) I haven't had a canker sore.
When you get one you can put baking soda on it directly (hurts like heck) and rinse with baking soda water. I hear salt water is supposed to work too.
Good luck! I hate those suckers.
Co-Moderator for the IBS Forum
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