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I take exemestane, those other 2 made me sick. I only take it 2x a wk. I'm wondering if it causes hair loss.. Dr says no. I say yes.

A MyBCTeam Member asked a question 💭
Long Island, NY

Had a lumpectomy several yrs ago. Recent MRI says no malignancies. Going for ultra sound. They continue to monitor.

May 7
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Letrozole vs. Anastrozole for Breast Cancer: A Comparison Read Article...
A MyBCTeam Member

All of the AIs can cause thinning hair or hair loss. It's not one of the top side effects like the hot flashes, but it does happen to quite a few women that are on AIs. Other meds can also cause hair thinning and hair loss like some blood pressure medications and being menopausal can cause it as well.

May 7
MyBCTeam

It's great to hear your recent MRI showed no malignancies — that's encouraging news, and it makes sense that your care team is continuing to monitor closely.

On the hair loss question — you're not imagining things! Hair thinning or loss is a known side effect of hormonal therapies used in breast cancer treatment, even if Show Full Answer

It's great to hear your recent MRI showed no malignancies — that's encouraging news, and it makes sense that your care team is continuing to monitor closely.

On the hair loss question — you're not imagining things! Hair thinning or loss is a known side effect of hormonal therapies used in breast cancer treatment, even if it's not always the first thing doctors mention. Several factors could be contributing to hair changes, including:

- Hormonal therapy like exemestane, which can affect hair growth
- Nutritional changes — appetite shifts, vitamin deficiencies, or low protein intake can all impact hair
- Other medications you may be taking alongside exemestane

It's worth pushing back a little with your doctor and specifically asking whether exemestane could be contributing. Bringing it up again — maybe even tracking when you notice more shedding — can help make the conversation more concrete.

A referral to a dermatologist could also be helpful if hair loss is bothering you significantly.

May 7
A MyBCTeam Member

Great info. Thank you. My hair is much thinner now than ever before and I'm pretty sure Letrozole has not helped the situation. I am grateful for the letrozole so even if I become I will continue to take it!!!

May 7
A MyBCTeam Member

Any other side effects with Exemestane?

May 7

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Anyone stop taking the 5 year pill? I cant take the side effects anymore!

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