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Canker sores are oral conditions that are both painful and unsightly. Women are more likely to get them than men. It is important to note that these ulcers that form in and around the mouth are not contagious and are not related to cold sores, which they are often confused with. Some of the contributing factors to canker sores are injuries to the mouth, stress, smoking, hormonal changes, anemia, allergies and viral infections. These sores can cause burning, fevers, pain and swollen lymph nodes. Toda
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