Hi Dr. Since last Sunday evening, after I had eaten a cheesburger for lunch, I have not been able to keep anything down. This is so odd as I feel totally fine, no flue, no stomach ache, etc....totally fine but I just can't seem to keep anything down for more than 10 minutes and I have to throw it up. Even water. However, having barley eaten anything, I am not the least bit hungry and I actually feel "full". I had my stomach stapled 25 years ago, so am used to "throwing up" if I eat to much, but this is now happening even if I have say 2 bites of something or a few sips of water! Very Wierd!