I have been taking the pill for 7 days. Yesterday I woke up at 3 ...

I have been taking the pill for 7 days. Yesterday I woke up at 3 am feeling very nauseous. I decided to just try and go back to sleep, and slept until about 9 am afterwards. Upon waking up I had to run to the bathroom and I threw up bile for several hours. I also have severe lower abdominal pain, I don't ever get cramps so I don't know if thats what it is, and no, it is not muscular pain from throwing up. My moods are out of control, and have been since the third day on it, I cry at everything. I have bad heartburn, and I am exhausted. My breasts are also extremely sore, and my skin is absolutely terrible. Is this normal, or is it possible I am pregnant?