Cold sores occur around the mouth area and resemble blisters or a cluster of blisters. Carlos Ciudad Photography/Getty Images Cold sores are caused by the herpes simplex virus (HSV-1), which is very ...

Select independently determines what we cover and recommend. When you buy through our links, we may earn a commission. Learn more. Like acne, a cold sore outbreak can be a frustrating dilemma that ...

While cold sores are not dangerous, they can be irritating — especially if you suffer from frequent outbreaks. Although they most commonly appear around the lips and mouth, cold sores can spread to ...

If you’ve ever had a cold sore, you're familiar with the first hint of trouble. A tingling signals an unwelcome visitor is about to make an appearance, usually at the worst possible time. Soon, a ...

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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 ...

Lysine may help reduce cold sore flare-ups, but don’t use it if you’re pregnant, as there isn’t enough research to support its safety. It’s a good idea to ask your doctor before trying any treatment.

For most of us, dry and irritated lips are just another nuisance that colder weather hurls our way—but if you're one of the 50 percent of Americans under 50 years old carrying the herpes simplex 1 ...

As mouth ulcers heal, their whitish color will fade, and any surrounding redness will start to go away. You’ll also feel less pain and burning. This could happen over 1–4 weeks. Mouth ulcers are sores ...