March 13, 2024

I saw the Dr B the medical oncologist that morning that my radiation was later canceled. Bright and early at 9 am. I didn’t have to wait long at all. My hormone levels that they drew at my last visit indicates that I am still premenopausal. Good lord. I’m ready for the 37 years of bleeding to be done. (I didn’t start until I was 16 and am now 53 (just had a birthday) So the only drug I can be prescribed is Tamoxifen1

Tamoxifen is used for several different reasons but mine is because of my type of cancer which is DCIS ER+ / PR+ and HER-. It is used after surgery to reduce the risk of invasive breast cancer in women diagnosed with hormone receptor-positive DCIS (ductal carcinoma in situ) In my case I won’t start it until after I finish my radiation treatment a week from Friday. (March 22)

Side effects that I read about Tamoxifen are as follows:

  • hot flashes 
  • vaginal discharge 
  • nausea 
  • mood swings
  •  fatigue 
  • depression 
  • hair thinning
  • constipation
  •  loss of libido 
  • dry skin

More Serious adverse effects include:

  • Endometrial Cancer (my doctor has never seen this in women on tamoxifen)
  • Blood clots
  • Stroke
  • Cataracts
  • liver issues

I may update this post with more information later.


  1. a selective estrogen receptor modulator (SERM) used to treat all stages of hormone receptor-positive breast cancer in women and men.  ↩︎

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