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Canker Sores


glutton4gluten

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glutton4gluten Rookie

Does anyone get frequent canker sores? I have been gluten free for almost 4 years and all of sudden I'm starting to get canker sores. What I know about canker sores is this:

Celiac and canker sores are directly related- canker sores are usually a reaction to an allergy. So does this mean I'm being glutened somehow? I'm extremely careful with everything I eat. I haven't slipped up at all. Why would I all of sudden start getting these reoccurring (and might I add, annoying!) canker sores. Does anyone else get these? Thanks for reading!


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lisa25 Rookie

My husband and I both get them from being glutened. He gets them the worst. He will get them the size of a pencil eraser on his tonsils (if not bigger).

jerseyangel Proficient

I had a terrible problem with them before I was gluten-free. Now, I almost never get them--I do if glutened but they are not nearly as bad as they used to be.

gf-soph Apprentice

For me they are definietly related to gluten exposure. I can get them if I get tired and hit my mouth while brushing, but I only ever get unexplaned ones from gluten.

I know some people (without gluten problems) that get them more often because of stress, but for you I would strongly suspect gluten. It may be time to check over all foods and medications in case something has changed recently. Good luck!

glutton4gluten Rookie

Thanks for the feedback guys!!!

  • 7 months later...
Skylark Collaborator

I get them too, but only when I eat gluten. I'd go over everything carefully for gluten cross-contamination.

cap6 Enthusiast

I used to get canker sores really bad, 8 to 10 at a time. Since going gluten-free they are much less. Now I get them once in awhile and they never ulcerate to a painful point, just irritating and are quickly gone. I never thought about them being triggered by glutening. Think I will start a food diary and watch!


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soulcurrent Explorer

I've had canker sores my whole life but when I went gluten free 13 months ago I did notice that they weren't occurring as frequently. Lately I've had them pretty much constantly though and I know it's not accidental glutening. Their reappearance has coincided with other symptoms I used to have when I was B12 deficient. I've got an appointment scheduled to have blood work done but I'm guessing that's going to be the case for me. That, plus stress and probably hormones because I switched birth control recently.

I stopped using my electric toothbrush (or rather, I still use it manually) because it was sort of traumatizing my gums. I switched to Burt's Bees toothpaste because it doesn't have SLS, which I read is part of the problem. I don't recommend Burt's Bees toothpaste for other reasons but I think it has helped a little with canker sores.

A physician's assistant told me to try using Oragel and taking L-Lysine when I feel a canker sore coming on. I've had good luck with both of those too.

Sorry for the length. It's been a looooooong week and I'm too exhausted to move my cursor to the post button so I'm just chattering away now. la la la la la la la.....

Robert16 Newbie

I had cancker sores and teeth hurting for about two months then ran out of toothpaste and i went and got some didn't realize that the wife had gotten a different kind but the same brand after going back to the kind i always used cancker sores and teeth quit hurting after a week.

Noni Rookie

Hello All!

I'm so relieved to find this post! I've suffered with Canker sores and "THRUSH" for years. To my dismay, it took years to convince my DH dr. to acknowledge to connection between my celiac disease and the mouth break-outs. Still, they will not treat me for it. Whenever I can get it prescribed, Diflucan clears it up immediately. Here's my question for all of you: Ever heard of a good home rememdy for Thrush?

Dixiebell Contributor

Someone correct me if I am wrong, but isn't thrush yeast?

cyberprof Enthusiast

Hello All!

I'm so relieved to find this post! I've suffered with Canker sores and "THRUSH" for years. To my dismay, it took years to convince my DH dr. to acknowledge to connection between my celiac disease and the mouth break-outs. Still, they will not treat me for it. Whenever I can get it prescribed, Diflucan clears it up immediately. Here's my question for all of you: Ever heard of a good home rememdy for Thrush?

For thrush, I heard to eat yogurt a couple times a day. Unprocessed yogurt with lots of probiotics.

For canker sores, it sounds weird but my brother, who is an MD told me years ago that eating garlic would help canker sores heal faster and he's right. I eat lots of raw garlic - like hummus or dip - and also try to eat more cooked too. The sores heal up faster and hurt less.

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