The Simple Canker Sore Cure!

Canker Sore Cure Baking Soda

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There’s nothing worse than a pesky little canker sore.  Ouch!

But I’ve got a simple little trick to send those canker sores on their way… and quickly, too!

Simply dab some Baking Soda on your finger, then apply it directly to your canker sore.  Oh, I know it tastes icky, but it will send those canker sores packing!

We’ve used this trick for years in our home, and it works like a charm!  You may need to apply it a few times per day, but your canker sores will be gone in a jiffy!

On the hunt for more Creative Uses for Baking Soda?  Get inspired below…

Lavender Baking Soda Air Freshener

Lavender Baking Soda Air Freshener

Easy Drain Cleaner Trick

Easy Drain Cleaner Trick

DIY Carpet Freshener

DIY Carpet Freshener with Baking Soda


Mega List of Baking Soda Tips & Tricks you never knew!


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  1. Melody Benschoter says

    Huh, I’m a dental hygienist, and I’ve never heard this trick! I’ll have to try it and see if it works for me or my patients. I do tell people who are prone to lots of canker sores to switch to a toothpaste that does not contain Sodium Lauryl Sulfate. It can be tricky to find toothpastes that don’t have it, but I switched years ago and I almost never get them anymore! (I use Squigle which can be found online- it’s my favorite toothpaste!)

  2. Gwen says

    I have battled canker sores most oft life. When I get them, they are huge and painful. I recently tried coconut oil. IT WORKS SO WELL! Not only dose it help the start of one go away before it erupts, it also sooths a big open one. A few applications a day and that sucker feels better and is gone. I used to use straight salt and it would bring tears to my eyes. Im a little worried straight BS would feel the same way. Although I love BS in a bath if my little guy has a sore hinney. Clears it up and soothes. I’ll give BS a try. But I think I’m sold on CO.

    • Kathryn says

      Cold sores (fever blisters) and canker sores ARE NOT the same thing. Canker sores are not herpes like cold sores. Canker sores typically come from something that you’ve been eating or drinking. Such as when I eat too much candy or junk food, I’m more prone to get them.

    • Jen says

      I use coconut oil (must be unrefined) for my cold sores, and it works like a miracle! I’ll have to try it for canker sores, too

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