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Re: Magnesium

Hello Rose

Thanks for your post.

You can see from this information that magnesium can interact with a number of prescription medications and its suggested not to be used if someone has certain medical conditions. Although letrozole or breast cancer are not mentioned, it doesn’t necessarily mean it’s safe to take, so it’s best to check with your treatment team, pharmacist or GP first.

Do call our Helpline if you have any further questions. Your call will be confidential, and the number is free from UK landlines and all mobile networks.

The number is 0808 800 6000 (Text relay prefix 18001).

Our opening hours are Monday to Friday 9am - 4pm and 9am -1pm on Saturday. Out of hours you can leave a message and we will call you back when we next open.

Best wishes


Breast Cancer Now Nurse

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Re: Magnesium

Sorry. Yet again, I failed to spot it was Ask Our Nurses. Comment withdrawn xx



Is it safe to take a magnesium supplement when I am on anastrozole? Many thanks Rose