Fever blisters — also known as cold sores — are not only painful and uncomfortable but can also affect your self-esteem. If you’ve had one, you know how frustrating it is to deal with them and the ...

Fever blisters, also known as cold sores, are a common annoyance caused by the herpes simplex virus (HSV-1). These clusters of small, fluid-filled blisters typically appear on the lips or around the ...

First, you’re not alone. Up to 80% of American adults have the herpes simplex virus (HSV-1), which can cause cold sores (also known as fever blisters), according to Johns Hopkins. The viral infection ...

Dr. Hayden S. Andrews (Medicine): A 73-year-old man was admitted to this hospital because of recurrent fever. The patient had been in his usual state of health until 22 months before the current ...