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Real members of MyBCTeam have posted questions and answers that support our community guidelines, and should not be taken as medical advice. Looking for the latest medically reviewed content by doctors and experts? Visit our resource section.
A MyBCTeam Member asked a question 💭
Hartford, CT

I have been on Tamoxifen almost 5 months. Other than the very occasional mood swing, I have not noticed side effects. How long does it take usually? I am pre-menopausal.

October 20, 2016
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A MyBCTeam Member

my doctor told me side effects would kick in anywhere for immediately to the first three months. I also made it through without any noticeable side effects, although about six months in I did start getting hot flashes, they weren't terrible, but they were definitely annoying. They stopped for a few months, then restarted again and now have stopped again. I have been on tamoxifen for 11 months. I do not seem to get my period anymore or they are sufficiently irregular that I can go months without getting them. I think the last time I had a period was in July, so three or four months ago, however there was about three or four months gap between that time and the time before. I do not think that it is that unusual to not have any real problems with tamoxifen, there are definitely people who have terrible side-effects, but there are far more people who seem to have minimal or no problems.

October 21, 2016
A MyBCTeam Member

Just because a pill could have side effects doesn't mean you will experience any. Sounds like you are tolerating it well. I was on tamoxifen and had occasional thigh soreness. I am now on Anastrozole and have no side effects.

October 25, 2016
A MyBCTeam Member

@A MyBCTeam Member thank you!

October 21, 2016
A MyBCTeam Member

@A MyBCTeam Member -thank you!!

October 21, 2016

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