My wife who is 77 has been receiving both drugs for 5.5 years and they have certainly stopped her cancer coming back.
However over the last 6-9 months she has developed ‘brain fog ‘ type symptoms and short term memory impairment. It is not normal aging and I read that long term exposure to Letrozole can impair cognitive function. I wonder whether this is something others have experienced and what if any steps have been taken to help. Lynda is waiting for an appointment at a local Memory Service Clinic….
Thank you.
Whatever cancer throws your way, we’re right there with you.
We’re here to provide physical, financial and emotional support.
© Macmillan Cancer Support 2026 © Macmillan Cancer Support, registered charity in England and Wales (261017), Scotland (SC039907) and the Isle of Man (604). Also operating in Northern Ireland. A company limited by guarantee, registered in England and Wales company number 2400969. Isle of Man company number 4694F. Registered office: 3rd Floor, Bronze Building, The Forge, 105 Sumner Street, London, SE1 9HZ. VAT no: 668265007