How a cough from respiratory illness differs from heart failure VnExpress Coughs from respiratory illness are often prolonged and productive, while heart failure typically causes a dry cough with little phlegm.
Persistent cough: could it be superinfected bronchitis? VnExpress I have been coughing for several weeks, producing thick yellow phlegm, and have a sore throat. I was previously diagnosed with bronchitis but did not complete the treatment. Could my condition be a superinfection? (Thu Huong, Ha Noi)