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Are canker sores contagious?

Canker contagious Sores
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Are canker sores contagious?

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Not much good can be said about canker sores, known to doctors as aphthous ulcers, but one source of relief is that canker sores are not contagious. You may not feel like smooching with your significant other when you have a case of canker sores, but at least you need not worry about passing them on. A canker sore is an ulcer inside the mouth which takes the form of an open sore. In this respect, it is no more contagious than a pimple. (However, fever blisters on or near the lips are highly contagious.) Canker sores have mystified doctors and researchers for many centuries. Studies show that at least 10 percent of the population endures repeated problems with canker sores. Of these people, about one-third report a family history. Canker sores are not contagious, but the afflication can be hereditary. Canker sores can start to hurt even before you see them. After the pain begins, a red spot or bump occurs, and then an open ulcer forms. The inside of the ulcer becomes filled with layers

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