Vomiting acid every morning for 2 months in the monring ,cant keep anything in help?!?

I just went to the hospital on friday they took my blood did a urine test and prego test (negative) and did an xray and couldnt find anything ive been vomiting acid the past 2 months lately ive found coffee ground looking specs in my vomit ive been on a lot of medications its every morning where im ill but lately my throat has been burning when i vomit and it lasts longer goes during the day and into the night my period i havent seen for a few months just a brown discharge now not too sure whats going on they booked me for an ultrasound and a pelvic exam on monday and i smoke cannabis to help me sleep for the night and with my ankle pain My dad said he has esophagal gastric reflux disorder so does my grandma is this in the family? Im very ill and in pain any suggestions?