Alternative Medicine for Cancer

Reviewed/Revised Modified Nov 2025
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Cancer is difficult to treat successfully. Many people still die from cancer even though they got the best current treatment. So people naturally look for alternatives that might help cure their cancer. Many try alternative medicines. People may use alternative medicine in place of standard (conventional) treatment or in addition to it.

What is alternative medicine?

Alternative medicine is different from conventional medicine because alternative medicine hasn't been tested scientifically to prove that it works or that it's safe. All medicines sold in the United States must show convincing proof that they work before doctors are allowed to prescribe them. Thus, because they haven't been properly tested, alternative medicines can't be marketed as medicines. Alternative medicines usually consist of herbs or plant substances that can be sold as dietary supplements.

  • Most types of alternative medicine haven't been scientifically tested and proved to work

  • Alternative medicine lacks proven benefits and may harm you

What are the risks of using alternative medicine?

Alternative medicine may:

  • Not work to treat your cancer

  • Stop other types of treatment you’re receiving, like chemotherapy, from working as well

  • Cost a lot

  • Sometimes be toxic

To avoid harm, tell your doctor if you take alternative medicine for cancer.

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