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Canker Sores
Natural Cures

Cure Canker Sores with Inexpensive Home Remedies

Last Modified on Feb 08, 2016

Apple Cider Vinegar  
69 User Reviews | 41 YEA | 11 NAY | 2 BETTER BUT NOT CURED | 3 WARNINGS! | 2 SIDE EFFECTS    Treatment

Posted by Evan (Nyc, US) on 04/13/2014

[WARNING!]  I am prone to canker sores when under lots of stress. While recovering from my first bad illness in 4 years (I almost never get sick) I developed several nasty canker sores in my mouth. I saw that many people had success with ACV, applying it with q-tips and cotton balls. Since I had 4-5 canker sores and was impatient, I decided to just gargle with ACV for about 3 minutes, thinking that would be more effective. Well, the canker sores certainly got better, but the prolonged exposure to ACV burned my tongue and every surface of my mouth. Now it's the day after and I can barely taste anything, eating is an unpleasant chore and anything acidic or spicy is quite painful. When not eating, the inside of my mouth feels like it was soaked in tannins, which is also really unpleasant. So, if you're going to use ACV for canker sores, be smart and apply it ONLY to the sore as it will burn your healthy mouth tissue.

Posted by Michelle (Milwaukee, Wi) on 08/06/2013

[NAY]  ACV made my canker sore much larger.

Posted by Kkenn (Detroit, Mi) on 01/27/2013

[NAY]  Putting apple cider vinegar, or any vinegar on a canker sore will only make it worse. Apple cider is very acidic, and acid makes the sores worse. You should avoid orange juice, tomatoes, vinegar, etc.

Posted by Pinklantana (Weatherford, Tx) on 11/07/2012

[NAY]  My daughter gets canker sores anytime she bite her mouth eating or what ever. I tried the ACV due to all the reviews but it made it much worse. We dipped a q-tip in ACV and placed it on the ulcer, it then bled and the ulcer lasted longer and was worse than normal. I think ACV is great for alot of things and thats why we tried this remedy but it didn't work for us in this case.

Replied by Shaun
Olde York, England
Remove all wheat (gluten) from the diet. Job done. After 40 beastly years of suffering with the same issue my partner is now cured.

Posted by Bobbi-jo (Kent, British Columbia) on 07/17/2012

[YEA]  I woke up three days before my birthday with a mouth full of canker sores (litteraly) so I started to rinse with salt water, it only seemed to irritate it more, then I tried baking soda paste; it stung bad and didn't seem to help so I found this site and tried ACV; I dabbed a cotton swab in it and held it on the sores for a few minutes (it stung really bad) but afterwards it went numb and I was finally able to eat. The next day I got a medicine from my pharmacy which helped a lot and didn't feel as good after as the ACV but I wasn't as sore for my party. I drank some vodka and it cleaned the sores out and the next day I could barely feel them (unless I ate or drank anything acidic) but I recommend you try ACV, the pharmacy or if you're really desperate, drink some vodka and make sure it washes on your sores!! Hope this helps!!

Replied by Klean
Sacramento, Ca
[YEA]   I used ACV on a Sore on my tounge and it stung for a short time. Soaked a cottonball And Let it Sit for about 3 Minutes and the Pain went away and I was able to eat! Thanks to Earth Clinic! I Love This Place!

Posted by Julie (Boston, Ma, Usa ) on 12/12/2011

[WARNING!]  I have Celiac disease which means my body rejects/can not process wheat/barley gutens) One of my symptoms after exposure to wheat are canker sores, I use to suffer from them constantly before I fully cut out wheat. Now I do not eat any wheat or gluten products on purpose, but I live in a gluten filled world so sometimes the slightest bit will slip into a food I eat or personal care product and when that happens: hello cankers!

This weekend I was glutened so I decided to try ACV and am now able to say with certainty that my cankers are not caused by bacteria. The bad news? I now look like I lost a fight with a fist! The pain went away, but the lip became swollen at an alarming rate. I used a salt wash to clear the Viniger and now have an aspirin sitting on a sore. The swelling seems to be going down already.

If you too suffer with cankers from Celiac issues, take caution as celiac cankers are most likely an acid issue and not bacteria. Too bad I didn't read that before the fat lip!

Replied by Darlene
Kewaskum, Usa
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. You may want to try that.
Replied by Angela
Las Vegas, Nv
The reason for your flare up is you probably have a fungal infection. Vinegar is a mycotoxin which is what fungi use as enzyme to destroy matter so they can absorb the nutrient.

The most common fungi in humans is candida which can infect in both a yeast and fungal form. The fact that you have celiac is a huge red flag for fungal infection. Just look up doug kaufmann's website for more details and for a temporary diet that kills fungi off. I bet your flare up's happen the most after you have yeasty bread like cinnamon rolls.

Replied by Kevin
Honolulu, Hawaii
[YEA]   OMG!!! I came across this site and followed the suggested remedy. I used ACV on my cankersore last week, I had 3! I had to use 2 Q-tips, each dipped in apple cider vinegar, and placed them directly on my cankersores until they went numb. It took about 6 minutes and it hurt a bit but the numbing really soothes the pain(that night and the next day). My inner lip turned a grayish color and my mouth tasted like vinegar for a bit but the next day, I barely felt the pain. My discoloration went away and the cankersores developed sort of a skin, like when they are healing. I did the procedure the next night and 2 days later(with hardly any pain), all 3 went away!

I have been dealing with these darn things for a long time, most of my life, and I never found a decent remedy. I've tried salt water, baking soda, and various other remedies but none of them helped at all. I can't believe a simple product like apple cider vinegar actually works and quick. I will always have ACV in my cupboard since I am one of the lucky ones to be blessed with these darn annoyances!!!

Replied by Xavier
West Jordan, Utah
Same here , these just keep coming and coming and now I'm running out of options so I hope all this works.
Replied by Kayla
Thornton, Co Usa
[YEA]   Apple vider vinegar worked on my canker sore! I had tried everything to get rid of my horrible canker and this is the only remedy I will use from now on. Yesterday, my sore, which is located on my cheek near my molars, was angry and red and so painful I could not speak. Today, it has a new skin over it, it isn't red and the pain is at a 2 insted of a 10. Previously I tried, the salt wash, the baking soda paste, hydrogen peroxide, alum, benedryl and maalox and anbesol. None of it did much but irritate the canker. I ran out and bought Apple Cider Vinegar after coming across this site. I dipped a q-tip in and placed it on the sore for about 3 minutes, spit, and repeated. I was pain free for the rest of the day! I did it again when I went to bed and today I woke up and my sore is in the healing process. I am soooooooo happy I found this site.

Posted by Cindy (Huntington, In) on 03/06/2011

[YEA]  I start taking apple cider vinegar in a glass of apple juice every morning because I had just heard that it was good for you and thought I'd try it. Well I always had about 3 canker sores in my mouth at a time, it was seldom that I didn't have at least one, I have been drinking the ACV daily for about a year now and I hardly ever get them, if I do, they don't last. If I skip a couple days I am sure to have a canker sore. It doesn't make since that drinking something that acidic keeps them away but I'm so thankful that it does!

Replied by Michelle
Nova Scotia/canada
I've had the opposite experience. I never normally get canker sores but started adding apple cider vinegar to my water twice a day and in the last week I've developed 2 canker sores!! :(

Posted by Ann (Bangkok, Thailand) on 02/21/2011

[YEA]  Apple Cider Vinegar for canker sores

I drink ACV for digestive purposes a glass each evening. I have had a hurting canker sore on the tip of my tongue for almost a week and today it was as painful as day one. Slowly drinking vinegar and water combo this eve I noticed that it didn't even burn the sore and actually made it feel better. I held sips in my mouth for a few minutes a couple of times over about a half hour and the pain is far less. Just a couple table spoons in a glass of water. To think I am 60 and am just now finding a remedy of this life long ailment.

Posted by Victoria (Gold Coast, Australia) on 02/09/2010

[YEA]  I cured two nasty painful mouth ulcers which I'd had for a week using the ACV remedy on the website. I just soaked a cotton tip in it and held it on the ulcers for 10 minutes. It did burn a lot at first, but then it just felt numb. The next day I woke up and it felt much better. I applied it again that day, and they have now disappeared.

I was taking a Vitamin C supplement at the time which was of 'orange colour' as well, which I think is what caused the ulcers in the first place!

Replied by David
New York, Ny
Tannin is also a good remedy, it's found in black tea. If you put a black tea bag on your tongue and let it sit for like 5 min or so you take it off and the pain is nearly all gone and the effect stays for quite awhile.
Replied by John
Mt. Pleasant Mi
I've been taking chewable vitamin C for about two weeks and got a sore about a week ago.

Posted by rms11731 (East Northport, NY USA) on 07/14/2009

[YEA]  Apple Cider Vinegar cured my canker Sore in my mouth. It was hurting so much. I was using an over the counter gel I bought at the drustore. I used it for 3 days and it was healing it. I tried the apple cider vinegar and after 2 applications it's so much better. I dipped a cotton swab into the apple cider vinegar and applied it to the canker sore. It stung alot, but it was so worth it. I highly recommend this treatment.

Posted by Nikki (Detroit, Michigan) on 04/30/2009

[YEA]  Apple Cider Vinegar works great. I swabded some on with a qtip, it stung a little but it was worth it. Almost immediatly it no longer hurt to much. In less than 12 hours my canker sore no longer hurt and was much smaller. I was so happy this worked!

Replied by Mo
Pakersburg, Pa
[BETTER BUT NOT CURED]   I think it works well. A couple minutes ago it felt like there was a wall holding back and it hurt a lot to talk and I couldn't even eat. I didn't have lunch or dinner and was feeling so sick. Now that I see this I applied it and now it feels like the Berlin Wall just fell. I can talk finally! I'm going to not take a lot of acid today though, I have soda everyday so I'm going to cut down on that.

Posted by Elle (Austin, Texas) on 04/26/2009

[YEA]  I've used ACV a few times now. It usually helps. I had one bad boy that it didn't seem to have any effect on. I get canker sores A LOT and have determined that orange things tend to give me canker sores. Not real orange things, but things with dye - like original Advil. Actually, I thought I was allergic to ibuprofen for years, but now know it's the coloring. Anyway, ACV does sting it may burn for some people and it doesn't taste that great. I've started using one of the OTC liquid oral pain relievers, then when it's nice and numb I apply the ACV soaked Q-Tip it doesn't seem to have negatively affected its efficacy, and if anything it has helped because I'm a super wimp and it allows me to keep the ACV on longer.

Posted by John (Charlotte, NC) on 02/23/2009

[YEA]  ACV helped my canker sore dramatically. After several days of pain so intense it was hard to talk, I found this site on google and decided to try ACV. I used to cotton swab dipped in ACV to cover the sore on my tongue for 45 seconds or so (it does sting), but after a few minutes, my pain went from a 10 to a 3. I applied ACV a few more times the first day and the second day. Today, the third day, the sore seems to be almost gone.

Posted by Jingdong (Chandler, Arizona, US) on 01/13/2009

[YEA]  I tried the Apple Cider Vinegar and it worked. I had 2 very painful canker sores on the side of my tongue. It hurts to talk or even swallow. I searched the web out of desperation, and I'm so glad that I found this site. I applied the ACV with a cotton tip. Pressed it on the sore as long as I could stand. It is very painful. I applied it every 2 hours or so. It seems hurts more in the beginning but I kept doing it. The pain was relieved after 3 or 4 times, and the pain was significantly reduced on the 2nd day.

The sore was completely gone after 3 days.

Replied by Cselestyna
Calgary, Alberta
[NAY]   Okay so I have the hugest canker sore between my gums and cheek... I love acv for everything. But when I tried this tip last night my mouth was in so much pain I couldn't sleep! I felt the pain right down to the root of my teeth, even my hair hurt. Finally I had to rinse my mouth with warm salt water. So if this works for you then great but personally it was NOT a good experience. However I will continue to take it for other things.

Posted by Leyana (Northern, NJ) on 01/09/2009

[YEA]  Apple Cider Vinegar cured my canker sores. Sore were brought on by NSAID medication MOBIC, which I have discontinued (why trade one pain for another). After using an OTC patch for two nights in a row unsuccessfully, I tried ACV last night with several applications then several more this morning. By noon I am in MUCH less pain the they are almost gone. The OTC patch usuaully works for me but not this time as these sores were really bad ones. Beware of NSAIDs if you are prone to canker sores!