Hello orangeblossoms, I have read about your problem, and would like to share mine with you.
About a little over a year ago i started experiencing these same symptoms. I went through all the same tests a you, guess what, they came back normal.
Well one morning the pain and nausea were so bad that i went to the hospital, however when they did a CT scan,but this time they fount that i had an ovarian cyst. However it didn't end there as i continued to have the same problems throughout the year.
On May 22nd of this year I woke up with the same pain and nausea, by the way my bowel movents were the same they didn't go back to normal, I went to see a different doctor as my PCP wasn't working that day, This doctor couldn't figure out what was wrong so she sent me down to the ER where they set me up with an IV did bloodwork and than injected pain and nasea medication through the IV before they hooked it up to the IV bag.
They had started me drinking a cup of fluid every half hour to prepare me for a CT scan to better see what they had probably missed before, about an hour after i started drinking this fluid my pain killer wore off, The most horrific pain started in my abdomen, I swear i hardly ever cry but the pain was so bad that i actually did cry, luckily my fiance was with me and he went to get the nurse to give me some more pain medication, I swear it felt like forever before it started working, but it was really only five minutes. So i continued to drink that stuff. Finally i get to do the CT scan, they gave me the die through my IV, a couple hours later i get results. My ovarian cyst had ruptured good thing i followed my instincts and went to the doctor, right?
Well anyway they also fount Gall stones, by the way they finally found the a year after these symptoms started.
Hilarious isn't, of course i'm being sarcastic because i woke up this morning with this nausea and pain yet again, I am going to call and make an appointment with my doctor.