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A 35-year-old member asked:

Does the drug methimazole increase the likelihood of developing breast cancer?

2 doctor answers4 doctors weighed in
Dr. Richard Orr
Surgical Oncology 44 years experience
No: Methimazole has not, as far as I am aware, been linked to breast cancer.
Dr. Sewa Legha
Medical Oncology 50 years experience
No: I am not aware of any such problem with methimazole. Only drugs that have estrogenic hormone like properties have some small risk.

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Last updated Jun 28, 2014

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