Yep! I totally remember the constant drip down the throat -- especially when trying to sleep! It's really annoying and frustrating! I slept 1/3 inclined for weeks to help with that...

Solutions are easy and you're definitely on the right track but you need to eat an anti-inflammatory diet + low histamine diet as well. Have you tried that? (Strictly?) You can look up which foods have high histamine levels -- it may surprise you! I was eating things that I thought were healthy but they actually have high histamine levels (tomato, avocado, fermented foods etc). That way your body can get out of the inflammatory/high histamine response... Are you taking any histamine blockers? It helps! (Allegra etc)

Happy to send you my overall protocol when it's ready.