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Canker Sores
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Cure Canker Sores with Inexpensive Home Remedies

Last Modified on Mar 24, 2015


Hydrogen Peroxide   8  0   

Posted by Will (Portland, OR) on 12/29/2008

[YEA]  I discovered to use on canker sores Hydrogen Peroxide on my own a few years back. I used it 30 sec per day, everyday, and now I have had one, maybe two canker sores since then. I think the Hydrogen Peroxide interrupts the life cycle of the virus by destroying the infected cells. That was back in 2001!

Replied by Gean
Salina, KS
12/30/2008
Good to know. Also, I wanted to add that 2 weeks ago my brother had canker sores in the back of his throat which hurt so bad that a sip of water felt like a knife. He sucked on licorice lozenges from the health food store, and within one to two days the sores were gone.
Replied by Randomhelpguy
Colorado
03/22/2014
[YEA]   Take an ice cube with frost still on it over the canker sore and it will rip off the white part, and numb it at the same time. Then take hydrogen peroxide and hold it on the sore mixed with Apple Cider vinegar for up a minute or two. This will sting like a bitch. After all this take a Q tip and activated charcoal and scrape the crater from the former sore. Then take just the charcoal and make a paste and leave it for a few minutes. Problem solved overnight or at least smaller. Or alternatively you could use alum which also burns like hell.

Posted by Lee (Salem, NH) on 03/17/2007

[YEA]  I have always used hydrogen peroxide for skin infections, insect bites, cankers, cold sores & deleting blood stains. Results are quick & inexpensive. I dab it on my finger, straight from the bottle, to apply to a cold sore or canker. I have never had a cold sore for more than a day. When I was a teenager, I also applied some to any pimples that might crop up.

Posted by Jessie (Vernon Hills, IL) on 07/19/2006

[YEA]  I tried remedy #5 for canker sores. I'm so happy I was able to eat my lunch today without (too much) pain.

Posted by Anonymous on 06/27/2006

[YEA]  Take one capful of H202 and hold in your mouth for 10 minutes daily, then spit it out. No more canker sores and your teeth will be whiter without expensive pastes.

Posted by Pranshu (Newark, DE) on 02/03/2006

[YEA]  Hydrogen Peroxide def works for canker sores...my doctor prescribed some mouthwash that just numbed it for a few hours..but peroxide reduces the pain and it also helps cure canker sores

Posted by Skip (Livingston, MT) on 01/06/2006

[YEA]  For canker sores, either dab hydrogen peroxide directly on the canker sore until it stops bubbling, or hold and swish 2-3 tbs hydrogen peroxide in your mouth for 30-60 seconds. Spit out and repeat 2-3 times. DO NOT SWALLOW. Rinse your mouth well with water after using the peroxide in either method. The canker sore/s will be noticeably improved and much less painful within 24 hours. They should disappear altogether within 48-72 hours.

Posted by Amanda (McKinney, TC) on 11/18/2005

[YEA]  hydrogen peroxide, swish it around in your mouth or dip a q-tip in it and place it on the canker sore..it will be gone in a few days!!

Ibuprofen   1  0   

Posted by Mary (Philadelphia, Pa) on 12/23/2010

[YEA]  Thank you!!!! This afternoon a canker sore became incredibly painful. Tried salt water. Tried lisine. Came here and tried Apple Cider Vinegar. All either did nothing or made it hurt more. Kept reading here and saw all the good aspirin reports. Didn't have aspirin so I used ibuprofen instead. Oh my goodness, it's now numb. No pain at all. Even if it doesn't last, a bit of relief is a godsend!

L-Lysine   9  0   

Posted by Jmcclain (Little Rock, Ar) on 03/11/2014

[YEA]  I remembered the recommendation for Lysine for canker sores-- after I had a full-blown painful one. I did not want to wait however long it takes for the Lysine to work in my system, so I simply held a Lysine tablet on the sore for as long as I could (about 3 minutes). It immediately stopped stinging and began to heal. A few hours later, I did it again (motivated to hold it longer) and I am pain free now. It still looks terrible but does not hurt. I never dreamed it would work so quickly.

Posted by Mary G. (Santa Cruz, California, Usa) on 03/25/2012

[YEA]  About 8 years ago my daughter (then in her early 20's and my husband both were plagued with canker sores. A co-worker of mine at the time suggested L lysine, 500 mg tablets. It totally cleared up the canker sores and they didn't need to keep taking it after the sores were gone. They both keep a supply handy to take at the first sign of a recurrence.

Posted by Mmsg (Somewhere, Europe) on 02/19/2012

[YEA]  Finally, after 5 years of constant struggle with canker sores, I hope I've found the solution, thank G-d! I had taken l-lysine on an off with varying degrees of success untill I was told to take it (with water, of course) ON AN EMPTY STOMACH, away from food. For me, that was the secret, and so far so good, not one new sore! Now I just take one capsule of 500g. once in the morning for maintenance.

Replied by Sara
Sacramento, Ca USA
02/19/2012
Thank you so much for sharing this valuable information with us, and I am glad your canker sore is not bothering you, anymore. My mom is 76 years old, and she is suffering from Canker Sore for 8 years now. She tired from A to Z nothing has worked out. What brand of L-Lysine did you use? You said that you took in the morning before taking breakfast. How much was the time gap between taking L-Lysine and taking breakfast? I would appreciate if you reply me, or you can send me an e-mail S_wali(at)yahoo(dot)com

You may live long and thrive!

Posted by Bill (Orem, UT) on 05/28/2008

[YEA]  I've had massive dime-sized canker sores for years and had tried just about everything by the time I had finally found this website. I tried the recommended L-Lysine tablets 2 times a day (morning and evening) and have been doing so for about 6 months now. I am happy to say I have finally found the cure for canker sores, trust me, L-Lysine works! I never get canker sores anymore.

Posted by Carol (Hamburg, NY) on 03/14/2007

[YEA]  For years, my teenage grandchildren suffered through excruciatingly painful episodes of canker sores. After trying & failing with many remedies suggested by their mother & others, including their M.D., they finally tried the old-fashioned home-remedy that their great-grandmother used! L-lysine, a simple, low cost cure. They now are tried & true users of L-lysine, and have almost become heroes with their college friends. The treatment is: Immediately upon the beginning of an out-break, take two 500 mg. tablets. Continue taking one 500 mg. tablet each day until 2 or 3 days past the day the canker sore appears to be healed. "L-lysine is an essential amino acid needed in our diet. It is found in animal protein, such as milk protein. It is recommended that young adults need approximately 23 mg of L-lysine per day per kilogram (10 mg per lb) of body weight. The proteins of cereals; wheat gluten, for example, do not provide enough L-lysine (Columbia University Press Encyclopedia)". Little do the young believe that Grandmother's could be so smart - until they try the "old- fashioned home remedies!

Posted by Maya (Ft Leavenworth) on 11/19/2005

[YEA]  My daughter and I would get canker scores often, until a friend told me about Lysine. We both take one a day, and if ever one starts to appear, then take 2 pills and the scores are gone. I told a great friend who had very dry lips and the lysine has worked for her as well! Love it! The pain is gone!

Posted by Thesa (Colorado Springs) on 11/15/2005

[YEA]  My 5 year old daughter came down with a horribly serious case of canker sores. Her mouth had several sores on her tongue, cheek, and gums. Her gums were so red and swollen you could barely see her little teeth. Her breath was absolutely terrible and she barely ate or drank a thing. Finally after a week of different attempts, we had her gargle with 6 drops of tea tree oil in 4 oz. of water three times a day, gave her half an adult dose of L-lysine crushed up into water once a day, gave her a homeopathic every hour and had her drink 16 oz. of water with acidophilus/FOS throughout the day. We kept her completely off of sugar, dairy and meat and mostly she ate cottage cheese and plain yogurt. Within one day she was so much better and finally eating and within 3 days totally better!


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DISCLAIMER: Our readers offer information and opinions on Earth Clinic, not as a substitute for professional medical prevention, diagnosis, or treatment. Please consult with your physician, pharmacist, or health care provider before taking any home remedies or supplements or following any treatment suggested by anyone on this site. Only your health care provider, personal physician, or pharmacist can provide you with advice on what is safe and effective for your unique needs or diagnose your particular medical history.

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