Respiratory infections like pneumonia, sinusitis, bronchitis, and cystic fibrosis lead to the expulsion of green sputum. It indicates that the body's white blood cells (WBC) are fighting against the infection. The proteins present in the white blood cells are responsible for the green color. Initially, yellow sputum tends to become greenish with indicating increased WBC activity.
Effects of Acetyl Cysteine on Sputum - Uses, Adverse Effects, and Precautions
Acetylcysteine is a medication given to relieve chest congestion. It can be used as a mucolytic in patients with lung diseases.
