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← Return to Tamoxifen 10mg vs 20mg
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Breast Cancer | Last Active: Mar 10 6:09pm | Replies (76)
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I have been blaming tamoxifen for my terrible side effects. I had IDC, lumpectomy, 15 sessions of radiation and all went very well. I felt good, actually. Then started tamoxifen and took for 10 weeks before I realized I could not live with those side effects and quit taking mid-April. Although the side effects are dwindling now, January 8, 2026, but still have some every day for a few hours, I'm wondering if the radiation caused the side effects. I started the tamoxifen immediately after the radiation, so it's hard to say. The tamoxifen, 10mg, has half life of 50 hours. Something is not adding up. Anyone?
Replies to "I have been blaming tamoxifen for my terrible side effects. I had IDC, lumpectomy, 15 sessions..."
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@luckbme it's so hard to say what exactly causes side effects when your body has gone through so much! For many of us, it's trial & error, trying to find the right balance. I'm 72, had a lumpectomy in October, 5-day radiation treatment & started January 1st with half-dose of Tamoxifen (10 mg). I'm doing ok. I've gained 5 pounds which I'm working on losing! Have you asked your oncologist for suggestions?