The first thing I thought of is the kind of ear popping you get like you get when flying - to relieve differences in pressure. But I get it once in a while and haven't flown in years, nor do I live at a high altitude.
I looked it up, and chose this link for some good explanations that might fit in to Lyme.
www.newhealthadvisor.com/Ears-Popping-When-Swallowing.htmlPost Edited (julymorning) : 12/30/2016 9:10:53 PM (GMT-7)