"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." We’re entering peak cold and flu season, so even if you haven’t yet experienced the first sniffle, sore ...

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 ...

Cold, dry weather can cause lip irritation, cracking, and cold sores. Blistex offers several over-the-counter products to treat cold sores and moisturize lips. Using antiviral creams at the first sign ...

Woke up to a sore, scratchy throat? You may want to blame it on dry air, but it’s usually a sign your body is fighting a viral infection. “The top five causes of a sore throat are a virus, a virus, a ...

Woke up to a sore, scratchy throat? You may want to blame it on dry air, but it’s usually a sign your body is fighting a viral infection. “The top five causes of a sore throat are a virus, a virus, a ...