I have been nebulizing 2x a day for 6 months, 3 ml of albuterol + 4 ml of 7% saline. added together in the cup it takes about 25 min, The 1st month for a period I had to stop to clear my airway while inhaling which cleared up followed by a short period I had to stop to clear while exhaling. Now I breathe in and out nonstop with no indicator, As soon as I stop I clear phlegm from my throat 6 plus times an hour until I go to bed with APAP for sleep apnea.
It was a few days ago I realized from an internet search it was being generated from the irritation in my throat, not my lungs. I sometimes cough when eating.