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question everything

(47,465 posts)
Thu Jul 28, 2016, 12:20 PM Jul 2016

Supplements Can Jeopardize Cancer Therapy

(Not sure about the reliability of this source, but it makes sense)

https://www.healthafter50.com/cancer/article/supplements-can-jeopardize-cancer-therapy?&ic=6107

People undergoing cancer therapy who use complementary and alternative medicine (CAM) for unrelated conditions such as macular degeneration and arthritis—and don’t tell their oncologists they are using it—may be putting their cancer treatments and their health in jeopardy.

Experts have long known that certain “natural” products can render treatment like chemotherapy less effective or even toxic, but many older patients may be failing to let their doctors know they’re using self- prescribed CAM, says a new study led by researchers at Thomas Jefferson University in Philadelphia.

(snip)

For example, the herbal supplements acai berry, cumin, and turmeric can interfere with the metabolism of chemotherapy drugs, resulting in either reduced effectiveness or increased toxicity from those medicines, which are carefully dosed based on known metabolism. St. John’s wort, used to treat depression, can lessen the effects of some anti-cancer drugs and induce photosensitivity, which can cause skin irritation during radiation therapy. Garlic supplements can thin blood, putting users at risk of excessive bleeding, for example, during cancer surgery.

High doses of vitamin C can change the way chemotherapy and radiation work. Even green tea can interfere with a chemotherapy drug’s metabolism, potentially increasing toxicity.

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Supplements Can Jeopardize Cancer Therapy (Original Post) question everything Jul 2016 OP
While dealing with cancer earlier this year, they even had me change the vitamin I was taking. tonyt53 Jul 2016 #1
Fellow cancer survivor, phylny Jul 2016 #2
 

tonyt53

(5,737 posts)
1. While dealing with cancer earlier this year, they even had me change the vitamin I was taking.
Thu Jul 28, 2016, 12:27 PM
Jul 2016

The ingredients in certain simple vitamins can cause problems during cancer treatment. I listened, as do most, but some people are rabid in their use of supplements, and they keep on keeping on. Got a good friend battling right now and he still takes supplements that he was told not to take during this period.

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