Doxycycline Hyclate and wreaked havoc

I was prescribed doxycycline for an infection in my testicles. After 5 days of taking 2 pills a day, the pain was diminishing and I was feeling better. However, I never took the pills with food, always took on an empty stomach. Everything was OK for those first 5 days. It was the 10th pill I took that I felt bad pain in my stomach and lower esophagus, a burning pain just below my rib cage. I could not hardly eat as the pain was so bad as food reached the end of my esophagus. I have stopped taking the pill and 4 days later each time I eat food as it passes through my esophagus and enters my stomach, I still experience bad pain. Its funny because there is no pain until food has traveled a good ways down.. It feels like doxycline has burned that connection of the esophagus with the stomach. I