"throat phlegm"

Cold Is Gone but the Cough Remains? Time to Check Your Immunity During 'Post-Cold Cough'

Your cold has cleared up, yet this persistent cough continues to linger. Just when you thought you had recovered, daily life feels deeply uncomfortable because you cannot stop hacking as if a thorn is caught in your throat. Could this persistent dry cough actually be a warning sign of decreased immunity from your body rather than a simple post-cold cough?