Basically if you are premenopausal Tamoxifen is what they recommend, if you are post menopausal it’s an Aromatase Inhibitor of which there are a few different types.Each drugtype has its up and downside eg Tamoxifen helpsbones whilst Aromatase Inhibitors thin bones.Not every side effect is experienced by everyone.
Do a bit of reading from the BCNA My Journey kit - I think there are some suggested questions embedded in it you may like to ask.Try to avoid Dr Google unless it’s a recommended site ( BCNA book I think lists some at back)
Everyone is different in how they respond to hormone therapy but the body and you will take a while to adapt.Most people do adapt and have the occasional issue thereafter.I did not have chemo and took 3-4 months , chemopeople seem to take a little longer - persistence is the key .
For me the biggest help ( I take Letrozole an Aromatase Inhibitor) has been to keep moving - walking , exercising - it’s been good mentally and physically.
Keep in touch with your decision as many on here will help .Do not be scared - there are a lot of us on hormone therapy and we are still enjoying our lives as you will too. xo