Green phlegm means that your infection has gotten worse, not better. White blood cells fighting the infection causes the green color. The infection may be either bacterial or viral, which means if viral, antibiotics will not affect it. Green phlegm is usually a sign of one of the following:
Receive updates on the latest news and alerts straight to your inbox.
This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.