Not a dr but maybe you should be seen b4 next week.
I have experienced green bile in vomit so it could be your gallbladder. That usually involves pain especially if you press between ribs at the bottom. Does your dr belong to a group? If you tell them your symptoms maybe another doc can see you.
I HAVE THE GREEN SPINACH LIKE SUBSTANCE BUT I DON'T KNOW WHAT IT COULD BE. I KNOW IT CAN'T BE MY GALL BLADDER AS I'VE HAD MINE REMOVED.
I was so focused on the green substance that I missed the part about frequent vomiting for years. I had frequent vomiting for 3 years. Had surgery to repair hiatal hernia and a fundoplication but was still having dry heaves. Was finally treated for small bowel bacterial overgrowth-2rounds of expensive antibiotics but finally felt much better. I still have occasional nausea but never like before. Hope you get some help soon.