I was on tamoxifen for almost 8 years. (2009) Worst side effects were weight gain & insomnia.
Prior, I was not able to tolerate Arimidex or Aromasin. Oncologist was surprised that I tolerated tamoxifen so well. Maybe trying a different med will be helpful. These estrogen blocking drugs are strong & powerful but can be difficult to tolerate. But as I’ve said in previous post, they are so important! 3 years after going off tamoxifen, my breast cancer metastasized & is now in my bones. I’m now on letrozole & Ibrance & tolerating well.
@mugs24cancer I hope you can find an alternative to tamoxifen that you can tolerate. Best of luck to you!