A member asked:

What causes excessive phlegm?

A doctor has provided 1 answer
Dr. Oscar Novick answered

Specializes in Pediatrics

Phlegm: Phlegm is the response to an irritant, allergen or inflammatory response which affects the mucus membranes of the nose, throat, lungs and sinuses resulting in the over production of mucus.

Answered 9/4/2018

5k views

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