NEW YORK (Reuters Health), Feb 20 - The results of a small trial suggest that vitamin B12 is a safe, effective, and inexpensive treatment for repeat canker sores. "The frequency of (repeat canker ...

A woman's overall intake of dietary antioxidants, including vitamin C, may play a role in causing recurring aphthous stomatitis (RAS), which is better known as canker sores, according to a study ...

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 ...

Q: A little over a year ago, my wife began to get canker sores, which she hadn’t had since her youth. It wasn’t an occasional one; she had two or three at a time, and before they healed, there were ...

Canker sores are bacterial, non-contagious infections that occur on the gums, inner lips, inside the cheeks and sometimes on the tongue. They are usually red and round with a white center. Most canker ...

Medically reviewed by John Carew, MD Key Takeaways Canker sores are common and usually go away on their own in one to two ...

Q. I was having a serious bout of canker sores, with two deep ones on my tongue and several new ones. I could hardly eat. I read the suggestions in your “Home and Herbal Remedies” book, but I had none ...

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 ...