Norovirus, a highly contagious stomach bug, is surging across the United States this winter, according to the latest d ...

A norovirus infection is characterized by sudden vomiting and diarrhea. Outbreaks are often seen on cruise ships, in ...

Outbreaks of the highly contagious "winter vomiting bug" are at their highest recorded level in years in the U.S. Here's how ...

The common virus spreads easily and quickly through contaminated food and water. Cases often surge around the holidays as ...

This mucus can be swallowed and vomited. The discharge from vomiting on an empty stomach or with only water in the stomach is a clear fluid. This is normal when you throw up on an empty stomach, but ...

Yellow or greenish-vomit is usually a sign that you are throwing up bile. Bile is a digestive fluid produced by the liver. Throwing up yellow bile could indicate a potentially serious medical concern ...