Skip to content. Is it safe to have oral sex when either partner has a canker sore — not a cold sore, but a canker sore? Does the same virus cause both and can you cause genital herpes with a canker sore? Canker sores have not been proven to be caused by a virus, and they are not contagious, or a sign of any other disease. Where the sores in question are found and what they are caused by also set them apart: Canker sores appear more often under the tongue and inside the mouth than cold sores do which are caused by the herpes virus.
Canker sores in the throat are small lesions and their appearance is related to the deficient functioning of the immune system. Continue reading to learn more about their causes and treatments, as this article will tell you more about some medical guidelines. It could be a single lesion or several at the same time. Canker sores are yellowish-white with a reddish rim and they usually go away within a week. There are times when they produce discomfort such as burning or pain, and there may even be a small lump. This benign condition can become chronic and lead to several outbreaks a year and, in some cases, it leads to other serious and complex disorders.
We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission. These sores can appear on any of the soft tissues of your mouth, including your lips, cheeks, gums, tongue, and floor and roof of your mouth.
Canker sores occur singly or in clusters on the inside surfaces of your cheeks or lips, on or under your tongue, at the base of your gums, or on your soft palate. They usually have a white or yellow center and a red border and can be extremely painful. Canker sores, also called aphthous ulcers, are small, shallow lesions that develop on the soft tissues in your mouth or at the base of your gums.