The Most common causes of Bronchitis–and How to avoid them
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 so (although the cough can linger). And–’tis the season–it’s usually the very same viruses that cause the flu or a common cold that give you bronchitis, too.
But there can be other culprits. Here are the most common causes of bronchitis you should know about.