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  1. Letrozole (Femara) | Cancer information | Cancer Research UK

    Letrozole (Femara) Letrozole is a type of hormone therapy drug, also known as hormone therapy. You pronounce it as let-roe-zole. It is also known as Femara. It is a treatment for breast …

  2. Letrozole - side effects- how long until they kick in

    Aug 14, 2024 · My wife also experienced different side effects when she started taking Letrozole. For her, the side effects kicked in around the third week, and they varied from mood swings, …

  3. Letrozole side effects - Macmillan Online Community

    Jan 14, 2024 · Hi Stella, I've been on Letrozole since May 2022 and like you have recently been feeling very tired, had achy ankles and my blood pressure is high. I also saw my GP and had …

  4. Hormone therapy for breast cancer - Cancer Research UK

    the risk of your cancer coming back the side effects of the drug There are different types of hormone therapy. These include: Tamoxifen Tamoxifen is one of the most commonly used …

  5. Letrozole break update - Macmillan Online Community

    May 23, 2023 · I've previously posted on the side effects (debilitating for me) which began a few months ago despite taking letrozole since August 2021. I'm now on an official break after …

  6. Letrozole or Tamoxifen, which should I choose?

    Jan 28, 2022 · I discussed the different scenarios with the oncologist, and she did say that Tamoxifen is much better tolerated than Letrozole , and 20% of women have side effects with …

  7. Joint pain from letrozole, any advice? - Macmillan Online Community

    I am struggling with side effects of letrozole (accord) tired and sore feet particularly when i go to bed and when I first get up. Sore elbows and stiffness in fingers...general fatigue probably due …

  8. Letrozole withdrawal - Macmillan Online Community

    May 21, 2021 · Hi Granny59 Yes 10 years is a long time to struggle with Letrozole and it’s horrendous side effects. I can tell you it’s not been easy but I felt I wanted to give myself the …

  9. Letrozole side effects - Macmillan Online Community

    Aug 15, 2025 · Really concerned about stopping taking letrozole as terrified of re-occurrence of breast cancer (grade 3 breast cancer oestrogen positive). But I feel my standard of life is …

  10. Letrozole, worrying symptom - Macmillan Online Community

    Dec 29, 2025 · Hi, I’ve been taking Letrozole for 2 years, a few not so nice physical side effects and a psychological symptom I’m struggling with. Apparently Letrozole can cause memory …