Hey pylori difficulties

I was diagnosed with H pylori. I took the medication the doctor prescribed. I'm still suffering. I went from 125 lbs now to 94 lbs. I am unable to keep food down. It comes back up immediately and chokes me. I'm seeking immediate help on what to do. I had a tube stuck down my throat , blood taken etc. They say I was healthy in those departments. Can you please help. I am losing weight feeling sick by the minute. I also seen 4 different doctors and a Holistic doctor. No results but medicine that didn't work.