Cold sores, caused by the herpes simplex virus (HSV-1), can be painful and contagious. Preventing outbreaks involves ...

Now that cold and flu season is upon us, our wellness editors are using these hacks to avoid sickness and stay healthy.

Do you know which foods amp up your protection against colds and flu the most? We asked top nutrition experts to reveal the ...

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

There are many reasons someone may get sick frequently, from your environment and lifestyle to genetics and underlying ...

At the first sign of a runny nose many people dash out to buy a cold and flu remedy - but soon that might become harder to do ...

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