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Comments (278)

Are you saying you never had insomnia on an AI and now you have it after...

https://connect.mayoclinic.org/comment/662762/

Discussion: Completed 5 years of anastrozole. Withdrawal symptoms? Side effects?

Support Group: Breast Cancer

Posted: Dec 15, 2021

@claunch I am doing well. But fatigue and some insomnia; the problem being, is this new...

https://connect.mayoclinic.org/comment/1454612/

Discussion: Does anyone have advice on Letrozole?

Support Group: Breast Cancer

Posted: Dec 6, 2025

Yes I also have insomnia. Not sure if it's the worry or the drug. My first...

https://connect.mayoclinic.org/comment/87047/

Discussion: Concerned about the side effects of anastrozole

Support Group: Breast Cancer

Posted: Apr 26, 2019

@cfacarol I could barely walk from the anastrozole and letrozole, the bone pain was so horrendous...

https://connect.mayoclinic.org/comment/280476/

Discussion: Portal vein thrombosis (PVT) after breast cancer treatments

Support Group: Breast Cancer

Posted: Nov 11, 2019

Thank you for your reply. The timeline was very helpful. I was on exemestane. The insomnia...

https://connect.mayoclinic.org/comment/667951/

Discussion: Completed 5 years of anastrozole. Withdrawal symptoms? Side effects?

Support Group: Breast Cancer

Posted: Jan 4, 2022

My oncologist recommended benadryl before bedtime, that helped me a lot with the insomnia. I take...

https://connect.mayoclinic.org/comment/87186/

Discussion: Concerned about the side effects of anastrozole

Support Group: Breast Cancer

Posted: Jun 13, 2019

@kategiddyup, while not specific to Aromasin (exemestane), you might fnd these related discussions helpful in addition...

https://connect.mayoclinic.org/comment/1435577/

Discussion: Anyone else have Insomnia with Aromasin (exemestane)?

Support Group: Breast Cancer

Posted: Nov 10, 2025

I've been on Tamoxifen for over 2 years and have experienced insomnia, because it put me...

https://connect.mayoclinic.org/comment/196659/

Discussion: What problems have you had with Tamoxifen?

Support Group: Breast Cancer

Posted: Apr 26, 2018

Thank you. I also have a similar sleep problem. Not sure it is caused by the...

https://connect.mayoclinic.org/comment/280477/

Discussion: Portal vein thrombosis (PVT) after breast cancer treatments

Support Group: Breast Cancer

Posted: Nov 11, 2019

@kathyomaha55 The insomnia from Exemestane was relentless for me (plus swollen feet) so I gave up...

https://connect.mayoclinic.org/comment/220144/

Discussion: Aromatase Inhibitors: Did you decide to go on them or not?

Support Group: Breast Cancer

Posted: Mar 25, 2021

@mistymar oh gosh,it sure does sound like a lot of people have the same sort of...

https://connect.mayoclinic.org/comment/1554509/

Discussion: Joint and muscle pain with exemestane

Support Group: Breast Cancer

Posted: Apr 19 1:30pm

Stopped after 5 years last week. Now experiencing insomnia even though I take 5 mg ambien...

https://connect.mayoclinic.org/comment/662388/

Discussion: Completed 5 years of anastrozole. Withdrawal symptoms? Side effects?

Support Group: Breast Cancer

Posted: Dec 14, 2021

@chickenmom10 which AI are you on? I’m on Letrozole since March 31st. Have you had any...

https://connect.mayoclinic.org/comment/886634/

Discussion: My path report says invasive ductal carcinoma with apocrine features.

Support Group: Breast Cancer

Posted: Jun 28, 2023

My biggest side effect with both anastrozole and exemestane is the terrible insomnia. My 5 years...

https://connect.mayoclinic.org/comment/870501/

Discussion: Completed 5 years of anastrozole. Withdrawal symptoms? Side effects?

Support Group: Breast Cancer

Posted: Jun 1, 2023

@ I too had Haglund deformity ankle spurs develop. I had an injury there years ago,...

https://connect.mayoclinic.org/comment/1576774/

Discussion: Recovery time after Anastrozole/aromatase inhibitors

Support Group: Breast Cancer

Posted: May 17 2:10pm

I took the Letrozole at night and had horrible insomnia. They had me change to morning...

https://connect.mayoclinic.org/comment/1357642/

Discussion: Aromatase Inhibitors: How to choose and manage side effects?

Support Group: Breast Cancer

Posted: Jul 27, 2025

I have been on Tamoxifen x 1 mo. and have incessant itching that turn into welts...

https://connect.mayoclinic.org/comment/196660/

Discussion: What problems have you had with Tamoxifen?

Support Group: Breast Cancer

Posted: Apr 26, 2018

I had terrible insomnia on this drug as well as on exemestane. It never made me...

https://connect.mayoclinic.org/comment/991217/

Discussion: Concerned about the side effects of anastrozole

Support Group: Breast Cancer

Posted: Jan 4, 2024

I started taking Arimidex 13 months ago. At first I took it at night, but when...

https://connect.mayoclinic.org/comment/254081/

Discussion: Letrozole: When will I start feeling/seeing side effects?

Support Group: Breast Cancer

Posted: Mar 10, 2019

@sparklegram @francine6829 The big difference (to me) between Aromasin (exemestane) and the other AIs is that...

https://connect.mayoclinic.org/comment/87045/

Discussion: Concerned about the side effects of anastrozole

Support Group: Breast Cancer

Posted: Apr 26, 2019

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