A member asked:

Can there be a rare condition for persistent dry cough?

A doctor has provided 1 answer

Three most common di: I would think of common diseases before uncommon diseases. The most common causes of a dry cough are post nasal drainage, asthma and acid reflux. Less common causes are a viral bronchitis or a viral pneumonia. See your physician. If the cough has lasted at least three weeks you need a chest x-ray.

Answered 10/23/2017

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