Arimidex Vs. Liquidex (sore nipples from liquidex but not arimidex)?

I am just curious any of you taken Liquidex and got blood test done. I was taking Liquidex for like a 2 weeks and my nipples were kind of sore the whole time. When I would push on them they would hurt. Well then I started taking my Arimidex (I am prescribed too) at the same dosage after a few days my nips felt perfectly fine again. Now that I have been taking my Arimidex I have felt fine.

Maybe this is just a coincidence I am not sure... Any of you got blood test taken though while taking Liquidex?