I use chewable papaya enzyme from GNC whenever I get that thick stuff that almost chokes me. It works great for me. Normal dose is up to 9 daily. I take 5 when I get thick stuff. If not better in a few, I take 4 more.
Dr. Bedlack at Duke had told me about papaya juice in 2009 and I tried it, but it would go bad in fridge and didn't have any on hand when I needed help, so I found the enzymes. I have some in my purse in case I need to Thin the secretions when I am out.
I don't take everyday, just when I have a problem with the thick stuff. In the fall I tend to take more because of allergies .