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Sputum
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Healthwise
Sputum is a thick fluid that is produced in the lungs and in the airways that lead to the lungs. It may contain mucus, pus, blood or blood proteins, bacteria, and saliva.
A person who has an infection or disease of the respiratory system may cough up sputum.
Last Updated:
May 25, 2007- Author:
- Jeannette Curtis
Caroline Rea, RN, BS, MS - Medical Review:
- Patrice Burgess, MD - Family Medicine
Adam Husney, MD - Family Medicine
Kathleen Romito, MD - Family Medicine
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