A member asked:

I throw up brown phlegm two months after quitting smoking?

2 doctors weighed in across 2 answers
Dr. Dominic Riganotti answered

Specializes in Infectious Disease

Cleaning out: Congratulations by the way! cigarette smoking paralyzes cilia in the lungs which serve to mobilize secretions and foreign objects up and out of the lung. Now that you have stopped the cilia are beginning to wrk again. They are essentially cleaning out the garbage in your lungs. This is the brown phlegm.

Answered 3/20/2020

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Common: After quitting smoking the cilia in the lung become more active and clean out particulate matter in the airways. For up to 6 months following smoking cessation there may actually be increased phlegm production which is actually beneficial. It shows the lung is repairing itself.

Answered 1/13/2019

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