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Real members of MyBCTeam have posted questions and answers that support our community guidelines, and should not be taken as medical advice. Looking for the latest medically reviewed content by doctors and experts? Visit our resource section.
A MyBCTeam Member asked a question 💭
Saddle Brook, NJ

I noticed my hair thinning about 6 months into the meds. But now, a little over a year on it, my hair has thinned significantly.

November 16, 2025
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MyBCTeam

Is tamoxifen causing hair thinning, and what can help?

Hair thinning can affect 1 to 10 percent of people taking tamoxifen. While this side effect is frustrating, there are several approaches that may help you manage it while still getting the cancer-fighting benefits of your treatment.

Treatment Options to Discuss with Show Full Answer

Is tamoxifen causing hair thinning, and what can help?

Hair thinning can affect 1 to 10 percent of people taking tamoxifen. While this side effect is frustrating, there are several approaches that may help you manage it while still getting the cancer-fighting benefits of your treatment.

Treatment Options to Discuss with Your Doctor:

* Minoxidil (Rogaine) - Studies have shown this topical treatment can help with hair loss from endocrine therapy, with improvement in about 80 percent of users. However, its use is somewhat controversial, and some specialists advise against it for chemotherapy-related hair loss
* Vitamin C, omega-3s, and other supplements - These may be helpful depending on your specific situation
* Adjusting your hormone therapy - Your doctor might consider changing your tamoxifen dose or switching to a different hormonal therapy like an aromatase inhibitor

Supportive Measures:

Maintaining overall health through regular physical activity, a balanced diet, and limiting alcohol can support your well-being during treatment.

It's important to talk with your oncology team before starting any hair loss treatments. They can help determine which options are safe and appropriate for your specific situation, and rule out any other underlying causes.

November 16, 2025

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