may both cough up green mucus but have completely different underlying causes.
Likewise, someone with clear mucus could be dealing with allergies, asthma, reflux, environmental irritation, or another condition.
Instead of asking only:
“What color is my phlegm?”
consider the bigger picture:
How long has it been happening?
Is it getting worse?
Do you have a fever?
Are you short of breath?
Do you smoke?
Do you have allergies?
Does it happen mainly at night?
Does it worsen after meals?
Does it happen at work but improve elsewhere?
Are you losing weight without trying?
Is there blood?
These details can provide much more useful information.
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Final Takeaway
Phlegm doesn’t necessarily mean something is wrong.
Mucus is an important part of your respiratory system’s natural defense mechanism. It traps particles and helps protect the airways.
But if you’re producing
