Cold sores occur on the outside of the mouth and are caused by the herpes simplex virus. Canker sores are blisters inside the mouth that can occur due to injury, nutritional deficiencies, and ...

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), ...

Canker sores often seem to pop up out of nowhere and, once you have them, they’re often painfully hard to ignore — especially when you try to eat or even talk. So what, exactly, are canker sores? They ...

Canker sores, also called aphthous ulcers, are small, shallow lesions that develop on the soft tissues in your mouth or at the base of your gums. Unlike cold sores, canker sores don't occur on the ...

Canker sores, though often overlooked, are a common oral health issue that can cause considerable discomfort. These small, painful ulcers typically form inside the mouth and can interfere with daily ...

Bumps on your tongue may be lie bumps, canker sores, cold sores, or in rare cases, oral cancer. Lie bumps are common and happen when the small bumps on your tongue become inflamed. Oral cancer is the ...

Add Yahoo as a preferred source to see more of our stories on Google. What starts as a subtle tingle or burning in your mouth can signal something more painful on the horizon: a pesky canker sore. For ...

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, ...

A canker sore—a painful white ulcer inside the mouth—might be brought on by stress. Or the wrong toothpaste. Or certain foods: tomatoes, peanuts, cinnamon. Or an iron deficiency. Or an allergy. Or a ...

Q: What causes canker sores? Why would I have a sudden outbreak of them in my mouth? A: There are several theories about what leads to canker sores, those painful ulcers that form inside the mouth, on ...