Winter is prime time for the coughing, phlegm, fatigue, and general unpleasantness of acute bronchitis. Viruses are by far the most common cause of the illness, which typically goes away in a week or ...

Chest pain when coughing can sometimes be a sign of a medical emergency like a heart attack. Acute bronchitis causes symptoms like coughing with mucus and chest soreness. GERD involves stomach acid ...