Coughing up Green Phlegm?
Coughing up a green phlegm happens when there is a bacterial infection in the lungs or bronchi. It can also happen because of a post nasal drip due to a sinus infection. It can be cured by avoiding dairy, starchy foods, and excessive meat intake.
www.actforlibraries.org – Coughing Up Mucus – Green, Yellow, Brown, White, with Blood