Canker sores vs. oral herpes. Of all of the different types of mouth ulcers that are commonly mistaken for canker sores (aphthous ulcers), the most frequent kind is the recurring intraoral herpes lesion. This page explains how to tell these two apart. Note: The term "intraoral" indicates that the sores in .
Canker Sores. Canker sores may look similar to cold sores in some cases, but the two types of sores are actually unrelated. While the case of cold sores is known to be the herpes simplex virus type 1, the cause of canker sores is not known. Canker sores are actually a type of ulcer called a recurrent .
Nov 12, · The Difference Between Herpes and Canker Sore Canker sores are simply lesions because of irritation in your mouth due to injury, food intake and immune system problems. Herpes labialis (another term for oral herpes) is an infection of the gums, mouth, and lips caused by herpes Author: Peter Mayhew.