You may need some bloodwork done to really see what's going on with your body and the different hormones. 12.5mgs of Aromasin is not too much at all, but everybody has a different reaction to the substances they put in their body. Caber should always be kept on hand for the prolactin, but it's hard to say whether it's your excessive estrogen levels or not. Try using some Nolva at 40mg ed and see if that helps