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A canker sore is an open sore inside the mouth, caused by various reasons including stress. They are not cancerous or contagious, and may or may not be genetic. There are no long term effects of having a canker sore.

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10y ago

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How contagious are canker sores?

Canker sores are not infectious.


Can making out with a person who gets canker sores give you canker sores?

No. I have canker sores and have never kowingly given some one canker sores. Canker sores are not caused by the same thing that causes cold sores and as far as I know they are not contagious. But to be on the safe side avoid kissing this person until their canker sores go away.


How are canker sores diagnosed?

Canker sores are diagnosed by observation of the blister.


Do canker sores always hurt?

Yes, but they can hurt in varying degrees.


Does Ambien cause canker sores?

Ambien doesn't cause canker sores.


Does soup help canker sores?

Possibly, but it can't hurt and definitely makes you feel good.


Can being allergic to nuts cause canker sores?

I get canker sores from nuts. No other reaction but the pesky sores.


What is the prognosis for canker sores?

There is no cure for canker sores. They do not get larger or occur more frequently with age.


What impact does stress have on the occurrence of canker sores?

Canker sores tend to appear in response to stress.


When canker sores are big does that mean that they are going away?

No, when canker sores are going away the pain lessens.


What is the sores on your gums that are white and sore?

canker sores... the hurt bad too. You can get them from skipping brushing your teeth, accidentally biting yourself, and a few other ways.


Where are pictures of canker sores?

The cause of canker sores is unknown but they occur in the mouth and can be quite painful. Pictures of canker sores can be found on any medical website, health or medical magazines and books.