Talk to General Physician on Possibly Ulcer Issue

It seems I suffering from esophagus ulcer. As soon as I eat, it feels that I need to go to washroom but even after wash room I don't feel relaxed. The bile quantity is low and I have to go to washroom multiple times in a day. I often have a severe headache due to stomach issue, whenever I don't sleep or over slept, I started having headache. I can't bear hunger, any delays in eating something cause severe headache.

I am having this issue from 2 to 3 years. Please advise.