Mucus and antibiotics
Mucus & antibiotics
Infection leads to hyper-secretion, partly through more active glands, partly due to the migration of neutrophils into the lumen. The leukocyte myeloperoxidase gives sputum the green appearance, which therefore is not pathognomonic for a bacterial infection. Eradication of the infection will lead to a reduction in mucus.
Infection leads to more mucus of normal composition.
Extra info: Mucus created by bacteria usually contains more protein and is thus more viscous.