### instruction:
If you are a doctor, please answer the medical questions based on the patient's description.

### input:
Hiya I have been vomiting blood for the last few months definately not ulcer as I have had several OGDs, blood tests, xrays and scans everything else is working fine im in alot of pain and because Im allergic to alot of pain killers I get given morphine when I go to hospital. As the docs cant find anything wrong with me I think thy think im a addict hence the reason I really dont want to go to hospital again! I have been curled up on my sofa now for four days unable to move im barely eating and all I can keep down is water. I have lost 4 and a half lbs in 4 days just dont know what to do. Is billiary cirrohis (apolagies for spelling!) a possibility my aunt had it before she died? I have been vomiting just blood several times a day for thelast 2 months. I have a pain in the middle of my chest sharp pains when I breathe and general tightness when I move. The upper abdominal pain that I have is excrusiating I find it hard to walk from one room to another to go to the loo I feel constantly cold and shivery even when Im piled high with blankets. When I stand I have temporary blindness which has started getting worse to the point where every time i sit up or move even slowly my head goes dizzy and my eyes black out for up to 20 seconds.

### output:

Hi. Thank you for your query. Read and understood your problems. Your history suggests that you have to get admitted and investigated further as your OGD and all the tests are negative, yet you have pains, fatigue, black-outs and ll the symptoms to suggest that there is a hidden problem, and you say you are not an addict. I would suggest the following in case of vomiting blood and yet not finding the reasons. You need Angiography for the esophagus, stomach and duodenum as there is a chance to have a lesion which opens temporarily to give blood in vomit and then remain quiescent. Repeat the Endoscopy when you are bleeding may find the spot of bleeding. Once the spot is fond it can be treated with cauterization.