How To Cure Bloating/ Persistent Pressure In The Abdomen In A 35 Yo Male?

I am a 35 year old male with no known allergies or GI issues. Two weeks ago, I had an achy back and some indigestion/burning at the base of my throat. This eased off within a days time. Over the course of that week, I started noticing more pressure in my abdomen and the need to burp increasing. For the past week, I have felt significant bloating/pressure in my abdomen, accompanied by the need to release small burps randomly throughout the day. I was given an ultrasound to check my gall bladder for stones and there were none.

I am starting to get very nervous about this, as I've never had such symptoms unless I had a stomach bug, and never for so long of a period. Sometimes the bloating eases a bit, but never completely goes away. My urination appeared like it has small bubbles....not frothy as could be considered normal. But, maybe I am over scrutinizing that part.

My family doctor told me (3 days ago) to wait a bit longer and see if the pain goes away on its own. The burping appears to be less, but the pressure in my abdomen has not completely subsided. I have no history of any GI problems, nor urinary tract infections, nor reflux issues. I am not overweight. I am not sure what my next step should be. I haven't had any actual pain, per se....but the bloating alone feels so unbearable at times.

Thank you for any help or suggestions,

Joe