See above for more tips. Symptom: A hacking cough, often bringing up green-looking phlegm. Cause: A lung infection usually following a cold or flu virus. Treat it: Lots of fluids to prevent ...
An unproductive, or dry cough, doesn't produce mucus and phlegm ... 8,600 adults with long COVID found that about 33% had a chronic cough that lasted at least six months after symptom onset.
Marvels of Mucus and Phlegm. American Lung Association. Learn About Chronic Cough. Mahashur A. Chronic dry cough: Diagnostic and management approaches. Lung India. 2015;32(1):44-49. doi ...