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Definition

By Mayo Clinic staff

Chemotherapy is a drug treatment that uses powerful chemicals to kill fast-growing cells in your body. Chemotherapy is most often used to treat cancer, since cancer cells grow and multiply much more quickly than most cells in the body.

Many different chemotherapy drugs are available. Chemotherapy drugs can be used alone or in combination to treat a wide variety of cancers.

Though chemotherapy is an effective way to treat many types of cancer, chemotherapy treatment also carries a risk of side effects. Some chemotherapy side effects are mild and treatable, while others can cause serious complications.

References
  1. Freter CE, et al. Systemic therapy. In: Abeloff MD, et al. Abeloff's Clinical Oncology. 4th ed. Philadelphia, Pa.: Churchill Livingstone; 2008:449.
  2. Chemotherapy and you: Support for people with cancer. National Cancer Institute. http://www.cancer.gov/cancertopics/coping/chemotherapy-and-you/AllPages. Accessed March 11, 2011.
  3. Chemotherapy principles: An in-depth discussion of the techniques and its role in cancer treatment. American Cancer Society. http://www.cancer.org/acs/groups/cid/documents/webcontent/002995-pdf. Accessed March 11, 2011.
  4. Learning more about your disease. National Marrow Donor Program. http://www.marrow.org/PATIENT/Undrstnd_Disease_Treat/Lrn_about_Disease/index.html. Accessed March 11, 2011.
  5. Cyclophosphamide. American College of Rheumatology. http://www.rheumatology.org/practice/clinical/patients/medications/cyclophosphamide.asp. Accessed March 11, 2011.
  6. Moynihan TJ (expert opinion). Mayo Clinic, Rochester, Minn. April 5, 2011.
MY00536 May 5, 2011

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