I found the reason for my throat problems were from coughing up too much phlegm. I had a habit of always trying to clear out my lungs and over time it wore down my throat. I thought I had a serious problem because of the popping in my throat when i swallowed. I went to the doctor and they could not figure out what was causing it. I had to figure it out on my own. I just started swallowing my phlegm instead of coughing it up which I know sounds disgusting, but as soon as I quit coughing that stuff up my throat got better within a day or two. It had been bothering me for well over a year. I obviously am a smoker but have been trying to switch over to vaping. So if you smoke and cough a lot of stuff up and your throat hurts and pops when you swallow, quit coughing stuff up. Hope this helps someone. I was convinced I was dying at one point from throat cancer it was so bad for me.