A member asked:

My 3yo has had an onset of cough for 9 days.some phlegm.md says no redness &clear lungs.seems to happen more at exact moment of eating, not limited to?

A doctor has provided 1 answer

See below:: He could be still recovering from a viral upper respiratory illness-at his age he is unable to clear & coordinate his post nasal drip mucus moving in the back of his throat. Other possibilities if similar symptoms, yet continuing for many weeks/mos: vasomotor rhinitis-not caused by an infection or allergy. Exact cause is unknown.

Answered 10/23/2017

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Thank

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