I have not had this issue. I do know that many people with RSD develop gastroparesis...not sure if that's what you are experiencing but may be worth looking into. So sorry to hear what you are going through...I know that being ill and having RSD just do not go well together. I had many many months when my RSD was spreading and out of control where I was throwing up 7-8 times a day or more...but in my case it was just because of the intense pain, dizziness, nausea, etc. Once the pain stopped spreading and we got the pain more or less "under control" I was much better...though in really bad flare ups I will still experience this. Which is super fun because that makes the pain so much better...not. Hope you get some relief soon...let us know what the doctor says.