Cold sores, also known as fever blisters, can appear on your mouth or lip and are usually caused by oral herpes or herpes simplex virus type 1 (HSV-1). “It’s extremely ubiquitous,” says Alexandra ...

Which cold sore treatment is best? Whether you call them cold sores or fever blisters, they’re all the same. These painful, itchy bumps that form on the lips and around the mouth make life difficult ...

When we say "cold sore," you probably know what we're talking about: the annoying red bump on your lip that itches and burns. Cold sores are pesky, and uncomfortable, and can make you feel ...

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 ...

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

Cold sores can be a frustrating and uncomfortable experience, but they’re incredibly common and usually nothing to worry about health-wise. The small, fluid-filled blisters typically appear around the ...

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 ...

Is it a cold sore or a fever blister? You have a tiny, clear, and fluid-filled blister or group of blisters on your lip, it might itch, tingle, or burn. Is it a cold sore or fever blister? Technically ...

For the best experience, please enable JavaScript in your browser settings. So, what exactly are cold sores? According to Dr Kakai Kulabusia, a medical immunology ...