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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Hot Flashes While On Letrozole?

I am on Letrozole because I had a lumpectomy for breast cancer. It was between. 0 and 1, very small. Theketrozole gives me weak speeds and horrendous hot flashes! Will be here last the whole five years I have to go ale it or will they get better or worse? I have been on it for four full months!
Thu, 28 Jun 2018
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General & Family Physician 's  Response
Hello and Welcome to ‘Ask A Doctor’ service.
I have reviewed your query and here is my advice.

Hot flashes and night sweats can happen while you're taking Letrozole. These symptoms happen because of the effects these medicines have on estrogen.
If the hot flashes continue you should consult your doctor about an alternative medication.

Hope I have answered your query. Let me know if I can assist you further.
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What Causes Hot Flashes While On Letrozole?

Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice. Hot flashes and night sweats can happen while you re taking Letrozole. These symptoms happen because of the effects these medicines have on estrogen. If the hot flashes continue you should consult your doctor about an alternative medication. Hope I have answered your query. Let me know if I can assist you further.