question: well ive been coughing up blood for past 3-5 months. I have been to doctors to have blood test and x-ray but they came back clear and the doctor says nothings wrong with me but its still going on and its got alot worse as the blood is dark red and its happend about 5times a day its alot of blood as well as well with the blood ive been feeling dizzy and weak. I have also got pain on left side of my stomach and back and im loseing my apitit to eat and been loseing weight.