A member asked:

What are the causes pf productive of cough more than 1 month with clear chest xray?

A doctor has provided 1 answer

Multiple issues: allergies, sinus issues, recurrent infections ( viral or bacterial ), GERD, asthma, pneumonitis from exposure to chemicals or irritants. You need a full medical/allergic workup and pulmonary function testing- for starters.

Answered 12/10/2016

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