Sometimes....: Treatment of a cough depends on the cause of the cough. When there is phlegm buildup, it may be caused by bronchitis (acute or chronic) or even pneumonia. If there is an acute infection, like bronchitis or pneumonia, then expectorating the sputum may help with symptoms. See your doctor for diagnosis and treatment.
Answered 7/21/2014
3.9k views
Yes: Yes it can, but it does not address the underlying problem that leads to the phlegm.
Answered 11/15/2014
3.5k views
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