I'm 23 yrs old. Can Botox Cause Acne?

I have had several treatments of low dose accutane as a teenager. Recently, at the age of 23, I received botox injections in my forehead for migraines and brow treatment. I have never broken out on my forehead before (even as a teenager). Where I received the injections, I am developing puss like papules and painful cysts. I have been using retin-a to see if this will help with the forehead breakouts and nothing seems to work. I called the reps for botox and they do believe that there is now a correlation between botox and acne - could it be that it is expedited by those have undergone accutane treatments? Or could this be due to the fact that I no longer can sweat out of those pores so they become plugged with toxins? Please help. I have talked to several other people who are experiancing the same symptoms.