There are plenty of over-the-counter remedies for the common cold, but some carry significant risks, and their efficacy is dubious. The latter applies to phenylephrine, an active ingredient in common ...

If you get sick with a cold during the summer, it might catch you by surprise. It turns out those rays of sunshine can’t protect you from the pesky viruses that cause the common cold. And while it’s ...

Using a laboratory model of the human nose, scientists have investigated why the severity of common-cold infections varies so ...

As winter’s chill settles in, millions of Americans will reach for over-the-counter medications to combat the seasonal surge of stuffy noses and congestion. But a startling revelation about one of the ...

Supplements fail to prevent colds or ease their severity, study finds. Oct. 3, 2012— -- Vitamin D supplements don't prevent colds or ease their severity in adults without deficiency, a randomized ...

The flu and common cold are caused by different viruses and have different symptoms. Strep throat is a bacterial infection that requires antibiotics, unlike a sore throat caused by a virus. Seek ...