A ‘distinctive dark green sputum’ in patients with asthma relates to high total cell count and neutrophilic inflammation and might assist with clinical decision making, research suggests. An Australian study found a sputum colour score greater or equal to three on the five-point BronkoTest predicted higher total cell counts, neutrophil numbers and proportion. A high ...
The colour of sputum helps with asthma management
By Mardi Chapman
12 Oct 2017