What Is It? Cold sores and fever blisters are caused by herpes simplex virus type 1 (HSV-1). This virus is passed from person to person by saliva (either directly, or by drinking from the same glass or cup) or by skin contact. Cold sores usually appear as clusters of tiny blisters on the lip. About 8 out of 10 people have the virus that causes cold sores. Most people are first infected before they are 10 years old.
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What Is It? The salivary glands contain a network of tiny tubes called ducts. Saliva flows through them into the mouth. If the flow is reduced or stopped for some reason, bacteria can grow.
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What Is It? When grooves develop in the tongue, the condition is called scrotal tongue. It makes the tongue look wrinkled. Scrotal tongue has other names, too.
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What Is It? Cheilosis is a painful inflammation and cracking of the corners of the mouth. It also is called cheilitis. It sometimes occurs on only one side of the mouth, but usually involves both sides.
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Mouth irritations and oral lesions are swellings, spots or sores on your mouth, lips or tongue. Although there are numerous types of mouth sores and disorders, among the most common are canker sores, cold sores, leukoplakia and candidiasis (thrush).
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Canker sore — Comprehensive overview covers causes, treatment and prevention of these painful mouth sores.
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