Canker sores are vexing and common. The reason they occur isn’t clear, but your toothpaste could be a factor. An ingredient often used to make toothpaste foamy, sodium lauryl sulfate (SLS), has been ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Like an annoying house pest, canker sores are a minor inconvenience that can really do a damper on your ...

Alas, those little (or uh, not so little) red bumps seem to pop up whenever they damn well please and wreak havoc on your life. A cold sore is an infection caused by the herpes simplex virus (HSV), ...

Roll your tongue around your mouth, and you might feel a sting from a new tender spot. A tiny, unwelcome crater of pain, a red circle of fire tucked against your cheek. It feels worse with every ...

They can be painful, ugly and irritating and can be caused by a bacteria, viral or fungal infection. Trauma from a sharp edge of a broken tooth or a filling or an ill-fitting denture or appliance also ...

Medically reviewed by Susan Bard, MD Key Takeaways A salt water rinse can help canker sores heal by reducing pain and promoting healing.Applying honey to a canker sore can reduce pain and make the ...

Canker sores, or aphthous ulcers, are small, painful lesions that develop inside your mouth. They commonly appear after stress, minor mouth injuries, or hormonal changes, as well as with certain ...

Three times in the past year, I got a canker sore while traveling. The pattern makes it easy to diagnose: The cuisines of the countries I had traveled to were heavy in tomato sauce, cheese, yogurt, ...