Try not to overthink it, to much, @BewilderedButHopeful - of all the hormone tablets, my understanding is that Tamoxifen usually has the least side effects - and hopefully that will be true for you too.
Keeping physically active as well, it keeps the joints mobile ... My surgeon indicated that I would be on Tamoxifen, but as I was 10 years plus post menopausal, I actually started on Letrozole, then swapped to Exemestane and am currently on Arimidex! SO - if for any reason I go off Arimidex, I only have Tamoxifen left! LOL. (I am tolerating the Arimidex much better than the others!)
As has been mentioned, sometimes the coating on the generic tablets can cause discomfort apparently .... but just give it a go with the 'original' brand (before receiving your first batch - ask the dispensing chemist which one is the most 'popular' with their clients - and go with that one to start off with.)
All the best to you, for when you start . xx
