Hi, this Monday I went to the bathroom andnoticed brown discharge in my panties and when Iwiped. It happend the next day too. Monday i also festick after breakfast and threw up. Now my breast ace, I'm having dizzy spellsandtoday which is now Saturday I am neasous on and off all day. Last night I was having back aces and cramping and I am also very gassy. I did a hpt yesterdayit wast was neg. when should I take one again?