Your healthcare provider may ask about color, but they may also take a sample of your mucus for a gram stain. This is a test ...

Coughing up mucus helps you clear infections and get ... While diagnosing the cause of a productive cough does not rely on phlegm color, it can suggest certain causes. Normally, mucus is clear ...

This build-up may cause coughing and discomfort. Bloody, brown, white, yellow, or green phlegm may be a sign of an underlying condition or infection. What Does Phlegm Look Like? The color of your ...

Coughing up thick, green mucus may mean a bacterial ... Antibiotics only treat bacterial infections, but your mucus color alone cannot tell whether an infection is bacterial or viral.

1. There's a change in your mucus color Coughing up yellow or green gook? This is a surefire sign of being sick. When a virus infects your body, it immediately sends immune cells to fight the ...