Switching from letrozole to anastrozole

Has anyone out there made the switch from letrozole to anastrozole because of bad side effects on the former? I had hot flushes, horrendous night sweats and worst of all painful joints. My hands were the worst affected which meant I was struggling to do simple things like take the top off the milk and also not able to do my favourite hobby of crocheting. I only made the switch tonight but have read that changing the meds can cause more problems. Any advice/experiences would be very welcome. Thank you. Mog

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  • Hi Moggymad62

    I had a hellish time on tamoxifen and was delighted to move onto anastrozole. The only side effect on anastrozole has been hot flushes but these have been reduced via 'sertraline' an antidepressant that GP prescribed.  You don't have you put up with side effects, there is medication available to manage them. 

  • Hi Magpiemaggie, thanks for replying to my post. Since I made the switch from letrozole to anastrozole just 6 days ago my joint pain has miraculously disappeared. Whether this is permanent or not remains to be seen but for now I am pain free. Did you notice improvements as quickly? I'd love to know if it's possible for it to have worked so fast and it's not just a temporary lessening of my wrist pain that may have happened anyway. I guess time will tell. I am also just starting on venlafaxine to help with the hot flushes and night sweats which have definately not been affected by the switch and are as bad as ever. Hoping the new anti depressant will help, just need to give it time as I have to increase the dose gradually. Hope you are OK, love and hugs, Mog

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  • Hi Magpiemaggie, thanks for replying to my post. Since I made the switch from letrozole to anastrozole just 6 days ago my joint pain has miraculously disappeared. Whether this is permanent or not remains to be seen but for now I am pain free. Did you notice improvements as quickly? I'd love to know if it's possible for it to have worked so fast and it's not just a temporary lessening of my wrist pain that may have happened anyway. I guess time will tell. I am also just starting on venlafaxine to help with the hot flushes and night sweats which have definately not been affected by the switch and are as bad as ever. Hoping the new anti depressant will help, just need to give it time as I have to increase the dose gradually. Hope you are OK, love and hugs, Mog

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