When you got mucus going on, any wee bit of stomach acid will trigger you, even wen you don't feel the acid.
Get papaya enzymes. They're chewables from Amazon. Like 4 bucks a container. They're life changing.
If it's chronic, rx tessalon pearls are life savers!!!
They are tiny gelcaps. I try to steer away from any rx, but those are super helpful and you end up using them less and less.