Medically reviewed by Katlein Franca, MD In some ways, the features of a cold sore vs. a pimple on the lip line are very ...

Allergens like mold, pollen, and dust, if you’re sensitive to them, can inflame the throat and affect mucus production.

Blistered cold sores are highly contagious. The fluid inside cold sore blisters is filled with the active virus, and when it ...

We already know that the virus behind cold sores, herpes simplex virus type 1 (HSV-1), can also infect the brain and the ...

You usually get this disease when an infected cat licks an open wound on your skin or bites or scratches you. Kids and teens are more likely to be infected than healthy adults, but adults with ...