Chemotherapy Drugs: How They Work

+ -Text Size


To learn more

More information from your American Cancer Society

Here is more information you might find helpful. You can read them online or order free copies of our documents from our toll-free number, 1-800-227-2345.

More on chemotherapy

Chemo – What It Is, How It Helps (also in Spanish)

Oral Chemotherapy: What You Need to Know

A Guide to Chemotherapy (also in Spanish)

We also have a lot of information on chemo side effects and what can be done to help manage them.

More on certain types of chemotherapy

Cancer Immunotherapy

Targeted Cancer Therapy

National organizations and websites*

Along with the American Cancer Society, other sources of information and support include:

Toll-free number: 1-800-813-4673

    Provides free information, counseling, and support services to anyone affected by cancer.

National Cancer Institute (NCI)
Toll-free number: 1-800-4-CANCER (1-800-422-6237)
TTY: 1-800-332-8615

    Provides accurate, up-to-date information about cancer to patients, their families, and the general public. Offers a clinical trials matching service. The website is also available in Spanish.

*Inclusion on this list does not imply endorsement by the American Cancer Society.

No matter who you are, we can help. Contact us anytime, day or night, for information and support. Call us at 1-800-227-2345 or visit

Last Medical Review: 02/06/2015
Last Revised: 02/06/2015