Dr. Lisa Germain answers a question from a listener who asked whether cold sores and ulcers are contagious. The different types of ulcers, canker sores, fever blisters and cold sores are explained in detail as well as causes, and what can be done to treat them.
Dr. Lisa Germain answers a question from a listener who asked whether cold sores and ulcers are contagious. The different types of ulcers, canker sores, fever blisters and cold sores are explained in detail as well as causes, and what can be done to treat them.