Given how often I see adults with a persistent throat phlegm complaint that has been going on for months if not years, I decided to make a short video going through all the different possible causes as well as testing required in order to make the correct diagnosis. This issue is often incorrectly attributed to post-nasal drainage which only accounts for a small percentage of patients. Diagnosis is key because once you correctly know what is causing the throat mucus, treatment is actuall…
