Dehydration, caused by persistent vomiting and diarrhea, is a primary concern. Symptoms of severe dehydration include reduced urination, dry mouth, dizziness, and, in children, increased fussiness and ...

Illness caused by norovirus typically starts suddenly, with symptoms developing 12 to 48 hours following exposure to the ...

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

Cases of a wretched stomach bug are surging in parts of the United States this winter, according to government data.The most ...