A member asked:

Post nasal drip after uri. lasts for 20 days. only during winter. coughs every 3 min. following tests negative asthma, allergy, bronchoscopy, laryngoscopy. currently treated for gerd. 13 yr old?

A doctor has provided 1 answer

Postnatal drip.: Following viral upper respiratory infections, it is not uncommon to have cough for 3 weeks. The lining of the respiratory tract has the blanket of very tiny hairs called cilia. The cilia gets destroyed during viral infections. Takes about three weeks for new cilia to be formed. Cilia is involved in getting the mucus out.

Answered 10/4/2016

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