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After 5 years on Anastrozole: Is weight loss a withdrawal symptom?
Breast Cancer | Last Active: Dec 23, 2025 | Replies (2)Comment receiving replies
@annawong, I extended the title of your discussion to reflect your question since there are many existing discussions about the end of treatment. See these related discussions:
- What happens when you stop taking anastrozole? https://connect.mayoclinic.org/discussion/what-happens-when-you-stop-taking-anastrozole/
- How did you wean off or stop Anastrozole? Any problems?https://connect.mayoclinic.org/discussion/anastrozole-weaning/
- Completed 5 years of anastrozole. Withdrawal symptoms? Side effects?
https://connect.mayoclinic.org/discussion/stopping-anastrozole-after-5-years-withdrawal-symptoms/
Anna, some people experience weight gain while taking an aromatase inhibitor.
- Do aromatase inhibitors (like anastrozole) cause weight gain?https://connect.mayoclinic.org/discussion/anastrazole-and-weight-gain/
Did you experince weight gain while taking anastrozole? Is this weight loss you're experiencing unwanted and unhealthy weight loss?
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@colleenyoung Thank you for replying. I did not gain weight when I was on Anastrozole. In fact I had problem gaining weight after the mystectomy. I went off Anas back in March but didnt notice anything, Only recently my friends commented that I lost weight. Had my annual check up early Dec. Mammograme came back clear. Blood test cancer marker came back good.