Studies suggest that several combined factors cause mouth sores, according to Mayo Clinic. Injuries to the mouth, stress, not getting enough nutrients and food sensitivities are all common causes. More »

A sore mouth can be caused by a systemic illness, a local infection, an allergic reaction, an irritant or improperly fitted dentures, according to Merck Manuals. It can also result from chewing tobacco, wearing braces an... More »

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A sore tongue can be caused by dehydration, fever and dry mouth, while a sore mouth can be the result of burning mouth syndrome, explains MedicineNet. Sometimes referred pain causes a sore mouth. When this occurs, a prob... More »

Canker sores are small, shallow lesions that develop on the gums, tongue and other soft tissues of the mouth, according to Mayo Clinic. Canker sores are not contagious and usually go away in a week or two. They can be pa... More »

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Canker sores are painful sores that appear anywhere on inside the mouth such as the inside of the cheeks, the tongue and the soft palate. Also known as aphthous stomatitis, canker sores may appear as small ulcerations me... More »

Over-the-counter cold sore treatments, such as Abreva, may facilitate healing of sores around the mouth. Ice packs and cool compresses reduce pain and itching. Prescription antiviral medications acyclovir, famciclovir, p... More »

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Infantigo rash, known by the medical term impetigo, is a highly contagious bacterial skin infection characterized by fluid-filled, crusty sores and blisters, typically occurring around the nose, mouth and face, according... More »

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