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“I’ve got this cough that just won’t go away,” my patient says, and I know this story all too well. Chronic cough, a cough that lasts more than two months, is a common ailment which in most cases is benign. But for the patient it is both bothersome and worrisome.

If your cough has lasted for less than two months it may just be the residual effect of an upper respiratory infection. Dry cough after having one of many viruses can last for weeks and weeks and the only cure is time.

In patients who do have chronic cough, my first task is taking a good history. Are or were they a heavy smoker? If so...