But, in general, a dry cough means you’re coughing but nothing is coming up, like phlegm or mucus ... The color comes from white blood cells in the phlegm. Pink phlegm comes from fresh blood. Brown ...

"Coughing is a strong exhalation of a lot of air, more than one exhales during a usual breath," he explains. "This helps push mucus up and out of the airways and force out any 'stuck' air that a ...

Vomiting clear liquid often involves stomach fluids mixed with mucus, distinct from regurgitation (passive expulsion) or ...

Discover 8 key causes of bloody cough from infections to lung conditions. Learn when coughing blood needs medical attention ...

Learn when your cough signals serious health problems beyond a cold. Duration, sound, and symptoms reveal hidden dangers.