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Hello, I have just been diagnosed with LCIS. I am considering taking Tamoxifen but is terrified of the side effects. I read that a low dose tamoxifen of 5mg/day for 3 years is just as effective as 20mg/day in lowering my risk of breast cancer. Does anyone have any experience with low dose tamoxifen?
Replies to "Hello, I have just been diagnosed with LCIS. I am considering taking Tamoxifen but is terrified..."
I was diagnosed with LCIS in 2024, they recommended me to take 20mg/day of Tamoxifen, but I started with 5mg/day because i was nervous about the side effects. I didn't have any side effects to that, but due to the fact that I had to cut the 10mg pill in half, I was concerned about losing the "dust" that happened when it was cut, so I am now takin 10mg/day for 5 years and have had no side effects. it has been a little over 5 months. Hope that helps.
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When I was 49 I had LCIS and was prescribed tamoxifen for 5 years. I did end up having a hysterectomy due to large polyps growing on my uterus after having been on it for four years but I did not really notice any other side effects.