Diagnosed with COPD and acid reflux, my digestion is bad and I cannot fully eat

I need some advice i have copd and acid reflux I have had copd for a few years and about a year ago acid reflux was added. Well for the last month of so no matter what I. TAke doesn't help me it had gotten to the point no matter what I eat isn't digestion it had been some days I will go without eaten because even with medicine I had no relief unless i make myself vomit it back up because seems like my food stops in the center of my chest so i went to my doctor on a Friday and he gave me some more meds and told me to come back Monday for a ultrasound so i did now they say i have a sickness gallbladder and. I will be going to see a specialist Monday but let me share this i haven't eaten a full meal in about 2 weeks i will eat soup every other day because I hate sticking my fingers down my mouth and i haven't did number 2 in about a week which i have gotten use to but last my right upper side was hurting as usually but i have been peeing a whole lot lately but my bottom part of my stomach felt strange i really couldn't stand straight so i went to the bathroom i peed than I had gas then the strangest number 2 just guss out of me a whole lot it was black tar looking i wanna say shiny and since then i have been hurting all the away around even my legs feels weak and for a minute my neck felt heavy and I have been kinda jitter and confused i wanna go to the emergency room but I'm afraid