Mouth ulcers, also known as canker sores, are painful lesions that develop inside the mouth, on the tongue, or along the ...

Canker sores are “open sores in the mouth,” says ... Kopelman adds. Benzocaine gel: A gel containing benzocaine, like medicated Orajel, will decrease inflammation, help with pain, and provide ...

Canker sores can heal on their own, and most of them do as well. However, a doctor can prescribe occlusive agents like ...