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Concerned about the side effects of anastrozole

Breast Cancer | Last Active: Jul 28 9:25am | Replies (1934)

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@dthayer

I was on anastrozole for nearly 3.5 years, following my first breast cancer diagnosis in 2014. Unfortunately, I had a recurrence that was diagnosed in March. I had two lumpectomies. Obviously, the anastrozole did not prevent a second breast cancer diagnosis; however, I was lymph node negative with clear margins both times. Although I had no noticeable side effects from taking the drug, a PET scan revealed that I had a large ovarian cyst that was removed via oppherectomy in April. My research indicated that anastrozole has been connected to the formation of ovarian cysts.

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Replies to "I was on anastrozole for nearly 3.5 years, following my first breast cancer diagnosis in 2014...."

What you said was very interesting. I've been on anastrozole for almost 2 years now and just had another biopsy in June which came out ok. I saw my oncologist this morning and told him about all of my bone pain and fatigue. He talked about going off for a while and then going back on. I wondered if it really prevented recurrence but you've answered that for me. Was your ovarian cyst benign? I do occassionally have some discomfort in the pelvic region but just tend to ignore it. What were your symptoms. Can you tell me where you found out that there is a connection between the anastrozole and ovarian cysts? Thanks alot for your information.

I had absolutely no pain associated with the cyst, which was benign.
work out daily and thought I would have detected something...nothing! I did an internet research and discovered the information linking anastrozole to ovarian cysts.