When a cough just won’t go away - Harvard Health Blog - Harvard Health Publications

When a cough just won’t go away - Harvard Health Blog - Harvard Health Publications

When a cough just won’t go away

POSTED NOVEMBER 07, 2016, 9:30 AM

Monique Tello, MD, MPH, Contributor

Most often a prolonged cough is due to one of the “usual suspects.” But when it’s not, we have a long list of increasingly rarer conditions that we should run through and rule out. If it isn’t due to any of those, experts now recognize that the culprit may be overactive nerves that cause an exaggerated cough response to certain triggers.

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