These sores are small, painful ulcers that can develop in your mouth for a variety of reasons. They’re referred to as canker sores, mouth ulcers, or by their scientific name — aphthous stomatitis.
One in five of us suffer with cold sores, or 'coleslaws' as spluttering children call them. They are created by herpes simplex, a virus that sits quietly in nerves around the mouth, only gracing ...