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Medic for Canker Sores

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9. Onion


The sulfur compounds present in onions kill bacteria and help heal canker sores.

  • Press a small piece of raw onion gently against the affected area. Hold it there for about five minutes so that the juice is absorbed into the canker sore. Do this three or four times a day. For best results, use an organic onion.
  • You can also apply the juice of an organic onion over the affected area.

10. Cayenne Pepper

cayenne pepper


Cayenne pepper has capsaicin in it, which can temporarily numb the nerves causing pain and provide quick relief.

  • Apply a small bit of cayenne pepper directly onto the canker sore. It may cause some irritation at first, but it is highly effective for relieving pain.
  • You can also try chewing or sucking on some candy that contains cayenne pepper.

With these home treatments, you can easily deal with painful and irritating canker sores in a fast and effective manner. If your canker sore does not go away, see your dentist as it can be a sign of a serious condition such as oral cancer.

Medic for Canker Sores was last modified: June 19th, 2017 by Top10HomeRemedies

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14 thoughts on “Medic for Canker Sores”

  1. I agree with the ice treatment, I stumbled on that one. Also, Listerine mouthwash helps reduce pain. It won’t speed up the healing, but if you need to eat your meals without experiencing pain when a piece of food or a spice crosses the cancker sore, apply some Listerine to the cancker sore. Heads up, you will experience about 10 seconds of real intense pain that will bring tears to your eyes. If you can grit your teeth through this pain, you will find that Listerine temporarily blocks the nerves and you will have no pain on your cancker sore for about an hour.

  2. Due to a weak immune system, I used to get canker sores all the time. Try using Sensodyne (or the generic version) toothpaste because the ingredient ‘Sodium lauryl sulfate (SLS)’ which is in other toothpastes actually cause canker sores in some people….Sensodyne does not have it. If I do get the occasional sore, I keep diluted hydrogen peroxide around and just poor some on my toothbrush each time I brush until the sore is gone…works every time!

  3. Whenever I get a canker sore, I always make a cup of hot black tea, wring out the teabag then press & hold the hot teabag into the sore, for as long as I can stand it. Then drink the tea. It helps the pain immediately & usually after doing this 2-3 times, the sore is completely gone after a couple days.

  4. Salt works great too..hurts like no tomorrow but it’ll go away…wet finger, stick it in salt and rub as hard as you can in the sore..sounds crazy but it works

    1. Switch to sensodyne toothpaste. I used to get so many all at once, but since I switched to sensodyne, I have only had one in a couple of years.

  5. I must try all of those cause now there are no much pain only the smell of my mouth is very bad ahahahh… i wish i can get the cure please help me…

  6. thanks I just want to try all of these together!! just to make it the pain go away. Dentist told me I must keep my denture in…on top of the sore. and only take it out at night…it is agony …I long for the evening when I can get some relief.

  7. thank you very much for the information. i should try this since i have been suffering this canker sores for a month….

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