Canker Sores
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Cure Canker Sores with Inexpensive Home Remedies

Baking Soda

5 star (13) 
  87%
4 star (1) 
  7%
1 star (1) 
  7%


Posted by Redeemed 2004 (Nashville, Tn) on 04/13/2018
5 out of 5 stars

Since childhood I have suffered from mouth ulcers. Usually rinsing with H2O2 works by rinsing several times a day and before going to bed. The next day the ulcer is nearly gone or completely gone. But not this time! Sometimes when my seasonal allergies kick in I get a patch of ulcers. This spring has been the worst ever. Ulcers popped up on the left side of my mouth on the cheeks, gums and under the tongue. So painful and the H2O2 was not working at all. So I came back to this site where I have learned so much over the years -- thanks to all the contributors! Decided to attack the ulcers by taking Echinacea, Lysine 2000-3000 mgs per day on an empty stomach and applying baking soda to all the areas. The first day I got immediate relief from the pain and inflammation on the left side. Kept applying baking soda all day. Slept better that night. Next day the left side was on the way to being healed BUT new ulcers emerged under the tongue and along the gums on the bottom row of teeth as if they were marching to the uninfected right side of my mouth. Yikes! Continued the above protocol plus brushed my teeth with baking soda and continued to place a half teaspoon under the tongue and between my bottom lip and lower gum. Good news. The new ulcers begin to recede with each application of baking soda. Thanks Earth Clinic -- God bless you all!


Baking Soda
Posted by Mama to Many (Tennessee) on 11/25/2014
5 out of 5 stars

I had a canker sore in my mouth last night. It was red and inflamed and had a white patch in the middle. But my son had just put a coat of finish on my kitchen floor and I couldn't access any of my herbs, charcoal, etc, since they were in the kitchen. I was looking around my bathroom for something I could try and saw my home made tooth powder. Baking soda!! I put some on the spot three times before bed. Tonight I realized it must have worked. I looked in my mouth and saw no sign of the sore! For the record, my tooth powder also has bentonite clay and peppermint essential oil in it. But I think it was the baking soda.

~Mama to Many~


Baking Soda
Posted by Darlene (Kewaskum, Usa) on 12/12/2011
5 out of 5 stars

My husband has suffered from Canker sores for many years. They would pop up almost immediately with certain tomato products and raw red high acid tomatoes. When we learned about baking soda for balancing pH, the logical conclusion was to use it to fight the canker sores. I can testify that if he knows one is on the way, the baking soda water will stop it in its tracks.


Baking Soda
Posted by Asw (Houston, Tx) on 10/07/2011
5 out of 5 stars

Using baking soda worked for me. I had a canker sore that kept getting worst despite the fact I was applying hydrogen peroxide. So I looked online and saw that baking soda also worked as a treatment for some. I applied baking soda once or twice a day for three days and it completely healed the sore.


Baking Soda
Posted by Elli (Billings, Montana) on 12/14/2008
5 out of 5 stars

Had tried many of the suggestions here, so I was an 'experienced' patient. But this last episode was getting agonizing, allergies caused me to bite my tongue 3 wks ago. Had been to the clinic and got a little relief. Called Primary Care Physician and got a little more relief several days ago. Today .. Nothing had really helped and pain was getting worse. FOUND THIS SITE. Had not heard of the alum/baking soda cure and since I was in no shape to go pick up some alum, used my handy large size of baking soda to try that out. Did it once .. Seemed to help a bit. Waited a little while, rinsed with salt water (which I had been doing from the beginning) and applied more baking soda. This time it Burned - but not for too long. Now my throat is sooo much better. I can swallow again and the pain is not radiating down my neck past the lymph nodes - one morning I was awakened dreaming I had the mumps again. I know that the yogurt works. I had gone so far as to make it myself when my kids were little - it was not as readily available as it is today. I was just too far run down this time for any of my usual remedies to kick in. Thank you for this site. It was just what I had hoped to find when I started looking days ago!!


Baking Soda
Posted by Jennifer (Gilbert, AZ) on 11/17/2008
5 out of 5 stars

I have these last couple of months been getting canker sores. I have never had them in my life, but have just started getting them out of the blue. I found this website and i have tried everything on here, all but the baking soda i tried that last. Let me say NONE of the other things worked for me, but oh my gosh the baking soda works wonders!!!!

The pain was very VERY bad and i didn't know what else to do, i even tried over the counter things and they didn't work in anyway, but the baking soda did.I also found the baking soda helps if you have a toothache too, in short baking soda is amazing and i would try it before anything else.


Baking Soda
Posted by Tania (Mercier, Quebec, Canada) on 03/10/2008
5 out of 5 stars

Baking soda cured my canker sore within 24 hours. I had major pain on the side of my tongue to find a canker sore it was so sore I couldn't hardly swallow. I took 1tsp of baking soda and 1 tsp of water and kept it in my mouth as long as possible. I did this 3 times within an hour went to bed and did the same the next morning by dinner time the canker sore was gone! Thank you for this site its a great help.


Baking Soda
Posted by Shawna (Eugene, oregon) on 01/25/2008
5 out of 5 stars

Out of the blue 4 days ago I got a canker sore that was 1.5 inches large on the side of my tongue. It was excruciating! Last night before bed I tried putting a baking soda paste on it and I woke up this morning and it's almost gone! I am so glad I found this website!!!


Baking Soda
Posted by Heather (Boston, MA) on 11/15/2007
5 out of 5 stars

Thank Goodness I found this page. I started with two small canker sores a week after my flu shot. I hardly ever have a canker. So, I used Ambesol Max Strength. It burned, numbed, but things got much worse today. Almost two inch long canker on the side edge of my tongue. And three more scattered on my inner front and side lips. I rinsed with the pure apple cidar vineger. It didn't releave the pain. So I tried the baking soda paste. The paste started to tone down the pain. I was at a 10 most of the day. After the baking soda treatment, I am currently down to a 4. maybe less.ahhhhhh


Baking Soda
Posted by Heather (Van Nuys, CA) on 11/14/2007
5 out of 5 stars

I ran a quick search over the weekend on treatments for chronic canker sores on behalf of my boyfriend who has suffered these painful occurrences since childhood. I came across this site and he decided to try the baking soda paste. It stung at first, but it helped him heal within five days and he's so happy to have found this treatment. Thanks.


Baking Soda
Posted by Amanda (West Palm, Florida) on 11/08/2007
5 out of 5 stars

I had the worst canker sore on my gum right behind my last upper molar. It hurt to even swallow and actually woke me up at 2:00 am in the morning last night. Apparently the Zilactin-B I put on it was not working! I stumbled upon your website and decided to try the only 2 things I could get my hands on at that time of night: salt and baking soda. First I removed all of the Zilactin and rinsed my mouth with warm salt water. Then, I made a paste with baking soda and a few drops of water and placed it on the canker and let it sit for about a mintue. Then I rinsed my mouth with plain warm water. I also took 2 tylenol to help get back to sleep. I still had some pain when trying to get back to sleep, but just woke up completely pain free!! I can swallow without pain and actually enjoyed my breakfast! I can't believe it! I plan to put another "paste" on today just to make sure, but will attest that this remedy really works!


Baking Soda
Posted by Hayley (Rochester, NY) on 08/09/2007
5 out of 5 stars

I get canker sores often and they cause me alot of pain when I eat or talk. I heard that baking soda can help. I started using baking soda and it takes the pain out for hours at a time. First I mix it with water to make a paste, and apply it to the sore, hold it on for a straigt minute. (yes, it stings and will bring tears to your eyes) then swish with water and spit it out. I can go to work for 6 hours and have no pain. Rinsing mouth out with a teaspon of baking soda in a glass of water periodically during the day helps too.


Baking Soda
Posted by John (Harfod, WI) on 12/01/2006
5 out of 5 stars

Whenever I get a canker sore, I pack some baking soda on it. If it does not go away in an hour or two, I re-apply it when I notice the sore still there. Some times it takes a few more aps.Usually, gone the same day. Sometimes, i'll pack the soda on right before bed. no canker in the morning. It works every time for me. A final note: It does sting for about a minute when applied. The stinging stops, even though the baking soda is still packed on the sore. Good luck, hope it works for you too.