29 answers

Canker Sore in Mouth

Anyone have any advise how to get rid of a canker sore in my mouth? Tried origel to get rid of pain and it has not worked. Can't find a med for in the mouth to get rid of it. Everything on the shelves is for on the lips. Any advise would be welcomed. Thanks

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Thank you soooo much for so many ways to help get rid of my canker sore!!!! I did pretty much everything metioned on here. I started out with the canker sore on monday and now on Sat i woke up and it does not hurt anymore!!! Yeah!!! The best advise that worked for me was the peroxide. i took a q-tip and rubbed it on the sore almost every hour and it numbed it better than the origel. Thanks again for all your great advise!!!

Featured Answers

I have had repeated bouts with canker sores, for many years. The information I received from my DR., and has actually worked is taking an iron supplement. Apparently one of the side affects of low iron is mouth ulcers. so, hopefully that will help, good luck.

2 moms found this helpful

I am a dentist and I too get canker sores frequently. Unfortunately, you can't make them go away any faster. It typically takes two weeks for any mouth sores to heal completely. You should try Peroxyl rinse by Colgate. After eating, brush and then use the rinse. It feels good and helps keep the area clean. Also, there is a paste called Orabase that you can apply that numbs the area a little. If you get them often you should try a Lysine supplement.

2 moms found this helpful

There is a prescription called Xovorax that REALLY helps. I deal with these about once a month...good luck!

2 moms found this helpful

More Answers

Canker sores are small shallow ulcers that appear in the mouth and often make eating and talking uncomfortable. There are two types of canker sores:

Simple canker sores. These may appear three or four times a year and last up to a week. They typically occur in people between 10 and 20 years of age.

Complex canker sores. These are less common and occur more often in people who have previously had them.
What Causes Canker Sores?
The exact cause of most canker sores is unknown. Stress or tissue injury is thought to be the cause of simple canker sores. Certain foods – including citrus or acidic fruits and vegetables (such as lemons, oranges, pineapples, apples, figs, tomatoes, strawberries) – can trigger a canker sore or make the problem worse. Use of nonsteroidal anti-inflammatory drugs, like Motrin, is another common cause. Sometimes a sharp tooth surface or dental appliance, such as braces or ill-fitting dentures, might also trigger canker sores.

Some cases of complex canker sores are caused by an underlying health condition, such as an impaired immune system; nutritional problems, such as vitamin B-12, zinc, folic acid, or iron deficiency; and gastrointestinal tract disease, such as Celiac disease and Crohn's disease.

Are Cold Sores Another Name for Canker Sores?
No, although these sores are often confused for each other, they are not the same. Cold sores, also called a fever blister or herpes simplex type 1, are groups of painful, fluid-filled blisters. Unlike canker sores, cold sores are caused by a virus and are extremely contagious. Also, cold sores typically appear outside the mouth – usually, under the nose, around the lips, or under the chin while canker sores occur inside the mouth.

What Are the Symptoms of Canker Sores?
You may have a canker sore if you have:

A painful sore or sores inside your mouth – on the tongue, soft palate (the back portion of the roof of your mouth), or inside your cheeks
A tingling or burning sensation prior to the appearance of the sores
Sores in your mouth that are round, white, or gray in color, with a red edge or border
In severe attacks, you may also experience:

Fever
Physical sluggishness
Swollen lymph nodes
How Are Canker Sores Treated?
Pain from a canker sore generally lessens in a few days and the sores usually heal without treatment in about a week or two.

If sores are large, painful, or persistent, your dentist may prescribe an antimicrobial mouth rinse, a corticosteroid ointment, or a prescription or nonprescription solution to reduce the pain and irritation.

Can Canker Sores Be Prevented?
Although there is no cure for canker sores and they often reoccur, you may be able to reduce their frequency by:

Avoiding foods that irritate your mouth – including acidic or spicy foods
Avoiding irritation from gum chewing
Brushing with a soft-bristled brush after meals and flossing daily, which will keep your mouth free of foods that might trigger a sore.
You should call your dentist if you have:

Unusually large sores
Sores that are spreading
Sores that last 3 weeks or longer
Intolerable pain despite avoiding trigger foods and taking over-the-counter pain medication
Difficulty drinking enough fluids
A high fever with the appearance of the canker sore(s)

Reviewed by the doctors at The Cleveland Clinic Department of Dentistry.

3 moms found this helpful

I am a dentist and I too get canker sores frequently. Unfortunately, you can't make them go away any faster. It typically takes two weeks for any mouth sores to heal completely. You should try Peroxyl rinse by Colgate. After eating, brush and then use the rinse. It feels good and helps keep the area clean. Also, there is a paste called Orabase that you can apply that numbs the area a little. If you get them often you should try a Lysine supplement.

2 moms found this helpful

I've suffered with canker sores my whole life as has my dad and sister. In the worst period I would get one within hours of any stressful situation and they came in multiples (including locations such as tongue and soft tissue). Once around they would last for weeks at a time so for awhile there wasn't much time I din't have one present. I've talked with my doctor and dentist and most have not had any long term solutions.

I completely agree with the toothpaste that doesn't have sodium lauryl sulfate (it's an inactive ingredient). I never found a Tom's version that didn't contain this ingredient. There are a few Rembrandts (they actually had one for canker sores) and a couple of the sensodynes that don't have this ingredient. Its the component that makes the toothpaste foam more.
Another thing that helps once the canker sore has been around and it was Zilactin-B. I could only use at night since its kind of gross and doesn't stay on when you eat. Otherwise, I've tried all the rinses, salt, camphor stuff and found they just helped by causing pain that released natural endorphins. Good luck.

2 moms found this helpful

There is a prescription called Xovorax that REALLY helps. I deal with these about once a month...good luck!

2 moms found this helpful

I get them often and finally found a great cure. 1/2 maalox and 1/2 hydrogen peroxide. Apply with a q-tip a couple times a day and it really makes mine go away fast.

2 moms found this helpful

I used to suffer horribly with canker sores my whole life. Do you get these a lot or just this one? I have literally tried EVERY treatment imaginable and I found a really easy and natural treatment a couple of years ago that works like a charm. The first sign of the canker sore, take a vitamin E capsule and bite off the tip. squeeze out some of the vitamin e oil and apply it to the sore directly. You can use a q-tip of you don't want to use your finger. I ususally do this at night right before bed and by the morning, the sore is on it's way out and doesn't hurt at all. The trick with this rememdy is to apply the vitamin e within the first 24 hours of the sore. If you already have a full-blown sore, this might not work as well. I'm sure you got some great suggestions from others. Keep this in mind if this ever happens again. I can't recommend this treatment enough.

-B. S.
mom to twin boys (almost 2) and married 11 years today!

2 moms found this helpful

I have had repeated bouts with canker sores, for many years. The information I received from my DR., and has actually worked is taking an iron supplement. Apparently one of the side affects of low iron is mouth ulcers. so, hopefully that will help, good luck.

2 moms found this helpful

there is a vitamin, L-Lynsc (or something like that), that you can get at Walgreens. I take 2 tablets twice a day and it works. The tablets are white and if you ever had the sores on the outside of your mouth you could break it up and water it for a paste and put it over that.
It really works- I get these sores all the time and that is what I use.

1 mom found this helpful

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