I had sleve sugery on January 4 2014 and I'm still having problems keeping food down. It's more after supper or when I wake up. It feels like the food isn't being processed because it's hours before I throw up. Some meals stay down and some don't. What is my next thing I can do. My doctor said to eat soft foods for three days and then try foods with more substance. I've done that three times and the same thing happens. Any help would be great. What's my next step.