okay, so I did end up vomiting, sorry if TMI. I haven't been this sick from a flush since my very first one. I did just read some of the tips below for someone else with this problem so I will think about trying something to avoid nausea next time.
I am so glad to have finally gotten rid of some big stones, but it makes it tough to think about doing this again anytime soon when I am feeling so sick. We'll see how I feel in the next couple of days. I usually feel great shortly following a flush - increased energy, thinking more clearly, etc. My goal is to flush until no more stones and then do them only for maintenance.