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What causes excessive phlegm?

1 doctor weighed in
Dr. Oscar Novick
Pediatrics

In brief: 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.

In brief: 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.
Dr. Oscar Novick
Dr. Oscar Novick
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