A member asked:

What does coughing up yellow phlegm mean if you're not sick?

A doctor has provided 1 answer
Dr. Leila Hashemi answered

Specializes in Internal Medicine

Yellow sputum: Well, different reason, it could be due to smoking, exposure to irrtants, chronic sinusitis, Posterior nasal discharge due to allergy or sinusitis.

Answered 1/4/2017

3.9k views

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