2 doctors weighed in:

What exactly does it mean whenyour coughing up yellow phlegm and the next lot you cough up is white?

2 doctors weighed in
Dr. Hesham Hassaballa
Internal Medicine - Pulmonary Critical Care
1 doctor agrees

In brief: Varies

Phlegm color can vary: sometimes it can be yellow, sometimes it can be white, sometimes it can be clear. "bad" color types, so to speak, are like brown, dark green, or even bloody.
If anything like this comes up, especially with fever, you should see your doctor right away.

In brief: Varies

Phlegm color can vary: sometimes it can be yellow, sometimes it can be white, sometimes it can be clear. "bad" color types, so to speak, are like brown, dark green, or even bloody.
If anything like this comes up, especially with fever, you should see your doctor right away.
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