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Canker Sores Treatment - Aspirin Paste

Updated on April 5, 2011

I'm so excited to post my first article here after I got relief from my canker sore (singaw) by applying aspirin paste. I have had this painful canker sore (singaw) for the past three days. It started when I suddenly bit my lip after an anesthesia treatment for my root canal. I cannot feel anything on the left side of my mouth because of the anesthesia and I actually didn't know that I was already biting on my lower lip because it was very numb ! I actually had to ask my wife what I was biting on because I felt something rubbery between my teeth ... you can just imagine my surprise when my wife told me that I was already biting on my lower lip !

canker sore after biting on my lower lip
canker sore after biting on my lower lip

The canker sore was very painful. It started to interfere with my work and it was very painful that I cannot eat very well. I started to look for ways to relieve me of the pain. I remember I used acv before and it really stung. However, the pain just came back the canker sore was not healed. This time I applied Bactidol about 4 to 5 times a day but after two days, it was still there and still painful. So I searched the internet and came across aspirin paste as an effective way to cure canker sores. I made aspirin paste by crushing two small aspirin tablets and putting about 5 drops of water. After gargling with saltwater, I used ordinary cotton buds to apply the paste directly on the canker sore.

crushed aspirin paste with cotton bud applicator
crushed aspirin paste with cotton bud applicator
application of aspirin paste on the canker sore
application of aspirin paste on the canker sore | Source

The aspirin paste was a miracle cure ! After about 30 minutes, I almost cannot feel any pain from the canker sore. It still stings but it more bearable. The best part is I was able to eat my dinner almost pain-free ! The pineapple that I had for desert didn't trigger any pain at all (whereas I would feel so much pain before when eating acidic foods) ... this is so amazing ! I have read that some people would put half a tablet of aspirin directly on the canker sore and they would feel an instant relief. However, I think that this may be too much as aspirin is Salicylic acid and would probably do more damage to the nerves than it should. If you would do this I think you would need to wash the excess aspirin off just to be on the safe side. I am so happy to have discovered this that I recommend to anyone who has canker sores to try this simple and easy treatment.


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      D-ray 4 years ago

      Baking soda works very well ....................

    • profile image

      Cassie 4 years ago

      Just did it, I can already feel the relief. Thank you!

    • profile image

      clgil77 5 years ago

      It works!!! Thank you so much. The canker sore pain was horrid. I applied that paste and after 15 minutes, I noticed that it was working. Great thanks!!

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      Alan 5 years ago

      I always get these after biting my lip... few times a year and always annoying. You mention in your article that you wrote it 30 minutes after applying the paste. How long did this treatment last for and did the canker sore heal any faster? Please let me know if there were any adverse effects; I am always skeptical about bringing drugs into my body especially in an unconventional way like aspirin paste. Thanks.


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