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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 ...

So, what exactly are cold sores? According to Dr Kakai Kulabusia, a medical immunology specialist, these are small blister-like spots that appear in or around the outside of the mouth and are caused ...

So, what exactly are cold sores? According to Dr Kakai Kulabusia, a medical immunology specialist, these are small blister-like spots that appear in or around the outside of the mouth and are caused ...

A mysterious bump near your lips can be unsettling. Is it a harmless pimple or something more serious like a cold sore? Distinguishing between the two is crucial for effective treatment and prevention ...

It starts with an itchy, tingly or burning feeling… and then the dreaded cold sore arrives. The hallmark of a common virus that potentially impacts 80 percent of the United States, cold sores can ...

Q: I used Zovirax ointment for two decades while I had employer-funded insurance. Once I went on Medicare, I learned the real price of this cold sore ointment — outrageous! I asked my dermatologist ...

Medically reviewed by Katlein Franca, MD Key Takeaways Cold sores form clusters of fluid-filled blisters at the lip line that ...