The cold and flu are respiratory illnesses caused by different viruses. Some cold and flu symptoms may overlap, but there are ...

With flu, “you might wake up in the morning with a full-on fever, nausea, chills, and muscle ache,” says Davis. (Coughing up phlegm? That’s a symptom of both a cold and the flu—and it’s ...

As we step into cold and flu season, many of us are reuniting with our old friend mucus. Coughing, sneezing, runny noses, all ...