The exact cause of burning mouth syndrome is not known. In some people it may occur without any underlying cause. This condition is called primary or idiopathic burning mouth syndrome. If the syndrome is caused due to an underlying medical condition, such as a nutritional deficiency, it is called secondary burning mouth syndrome. Some common problems that may cause burning mouth syndrome include:
In some people, burning mouth syndrome may have more than one cause. But for many, the exact cause of their symptoms cannot be found.
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An ongoing (chronic) or recurrent burning in the mouth without an obvious cause is known as burning mouth syndrome.read more
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