When I started having these symptoms it was the first thing my doctor tested for though, since it's such an easy fix. Unfortunately for me that wasn't the issue.
I suspect the anti-acids they gave you along with the antibiotics helped heal the esophagus.
Yes but it is the cause of many gastric ulcers and is undertested for at least in my community. Where I can easily do the test in the ER, I diagnose and treat many people with previously-unexplained epigastric abdominal pain syndromes.