Many things: There are many things that can cause a persistent dry cough some of which are serious problems. Smoking can lead to a persistent cough so if you are smoking please stop now. Allergies, dry air, infections, medications and heart problems are just some of the things that can cause this. You should have this evaluated by a health care professional.
Answered 2/12/2015
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Etiologies...: Usual etiologies include bronchospasm (of any cause), gerd, post-nasal drip or a combination of factors. It needs to be evaluated by your doctor since these all have different treatments.
Answered 2/20/2013
6k views
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