Canker sores are painful ulcers that occur in the mouth, including on gums. Here's a look at how to deal with them.

Liquid Benadryl and honey can provide relief for canker sores. However, the cause of these ulcers remains unknown. Home remedies abound, but no magic cure.

A preliminary study last year found a connection between canker sores and vitamin D deficiency. Not enough antioxidants in your diet is another potential factor, research shows.

Find out what causes canker sores in children and learn how you can help your child if these painful mouth ulcers keep coming back after treatment.

"Dr. Dustin Portela reveals the best remedies for treating painful canker sores. Dr. Dustin Portela, 208skindoc, focuses on skin care education and solutions, offering expert tips, product reviews ...

"Discover the best fix for canker sores as Dr. Dustin Portela reveals effective solutions. Dr. Dustin Portela, 208skindoc, focuses on skin care education and solutions, offering expert tips ...

Fake meat, canker sores and dreaming in color: The week in Well+Being Are burgers made from plants really better for you than real beef burgers? Our Eating Lab columnist, Anahad O’Connor, has ...

There are many possible causes of a canker sore in the throat. It may cause pain, especially when eating certain foods. Learn more here.

Canker sores are usually smaller and have particular characteristics, while oral cancer is more varied and may bleed. Here are more ways to tell them apart.