How to Diagnose and Treat Canker Sores?

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These messages are for mutual support and information sharing only. Always consult your doctor before trying anything you read here.
Diagnosis You don't need to have any tests to disgnose canker sores. They can be identified with a visual exam. Treatment Minor canker sores usually don't need medical care, but arge, persistent or unusually painful sores often need. There are several treatment options you can choose.
  • Mouth rinses
  • Topical products, such as pastes, creams, gels or liquids
  • Oral medications such as Carafate
  • Cautery of sores
  • Nutritional supplements
Thanks. Which supplements DO work? I've heard that the B vitamins can help.
A product called Kanka has helped me.  I buy it at the local pharmacy such as Walgreens.  Kanka is a numbing gel, applied with a brush at the end of the tube.  Put it on the canker sore immediately when feeling the first signs of a canker sore.  Apply it several times over the next couple days.  Usually the canker sore goes away or stops hurting in a couple days if I use Kanka.
B12 1000 mg at first sign will get rid of them fast. Usally 1 to 3 days
 Works for me. 1000 a day for a few days.
Thank you!
I put Iodine a drop right on it to kill any of the nasty stuff that is eating at my gum.  my mom told me and even when it hurts it feels better. the numbing gels only do that. I don't like my lips also get numb. I just had to have a root canal done then these two showed up wonder if any connection? I had a start of an infection under my tooth which showed a crack under the filling.  my whole mouth is in pain including my gums. ouch,
It is possible that canker sores and root canal therapy are connected. The precise cause of canker sores remains unclear, though researchers suspect that a combination of factors contributes to outbreaks, even in the same person.
Possible triggers for canker sores include:
A minor injury to your mouth from dental work, overzealous brushing, sports mishaps or an accidental cheek bite
Toothpastes and mouth rinses containing sodium lauryl sulfate
Food sensitivities, particularly to chocolate, coffee, strawberries, eggs, nuts, cheese, and spicy or acidic foods
A diet lacking in vitamin B-12, zinc, folate (folic acid) or iron
An allergic response to certain bacteria in your mouth
Helicobacter pylori, the same bacteria that cause peptic ulcers
Hormonal shifts during menstruation
Emotional stress
Thanks I use baby oragel and it works fine if just takes a little longer
I'm gonna try oragel thank you.
Thanks for the comprehensive list. I find taking a B-50 or B-100 vitamin complex does the trick, as well as preventing them.
I tryed. Kanka. But its not working what should i try have the sore for 1 week
I once had a very serious canker sore. My canker sore doesn’t respond to over-the-counter or at-home treatments. At Last, I tried Aphthasol, a prescription ointment described as an “oral paste”. It is helpful for me.