These simple home canker sort treatments will help you get rid of canker sores, and avoid them in the future. What is a Canker Sore, and what's the difference between canker sores and cold sores? A canker sore is an open sore, or ulcer, inside the mouth. They're also called “mouth ulcers” or aphthous ulcerations. They aren't contagious, but the sores can be painful. The sores usually last a week or two, but the right canker sore treatment could cut that down to only a day or two. What causes…
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