You may be getting some withdrawal symptons but what you are describing is exactly how I was feeling after starting flux, it is going to be a roller coaster ride and side effects will change over the next few weeks, I am not going to lie and say it will be easy although everyone is different but there is help here for you, I hit rock bottom so many times in the first few weeks but once the good days outweight the bad and all of a sudden you really start to feel better it is all worth it. You have to concentrate on you when you are feeling bad, try and relax not easy I know and just take it a minute at a time. Finding the people on here at 4 weeks helped me so much when I felt so so bad.
Janinexxx