A year ago I had similar circumstances. I took anastrozole for six months prior to surgery in order to shrink the tumors. When I started taking anastrozole, I had overwhelming fatigue from then on. My blood pressure went up, and I experienced insomnia for the first time ever. I stopped anastrozole several weeks before surgery, and within three days I felt great. I had energy and slept really well. I felt better than I had in over six months. I restarted a week after surgery and those side effects came back quickly. It made me question resuming it again. Because my tumors were 97% estr/pro positive, my oncologist strongly recommended it.

If you are experiencing these side effects from stopping them, you need to let your health providers know. You don’t want to go into surgery with these symptoms ongoing. I have found health care providers will do whatever necessary to get you past any problems you are having. Good luck with this and I pray for a positive surgery.