1 doctor weighed in:

Can pneumonia in non smoking adults cause persistent low grade fever with black phlegm for 4 days and later became yellow?y?

1 doctor weighed in

In brief: Yes see a doctor

Yes it can see a doctor I am concern about the black phlegm go and see a doctor you need proper evaluation by a physician good luck.

In brief: Yes see a doctor

Yes it can see a doctor I am concern about the black phlegm go and see a doctor you need proper evaluation by a physician good luck.
Dr. M. Hytham Beck
Dr. M. Hytham Beck
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