Chemotherapy Drugs: How They Work

(En español)

Chemotherapy is the use of any drug (such as aspirin or penicillin) to treat any disease. But to most people, chemotherapy refers to drugs used for cancer treatment. It’s often shortened to “chemo.”

Chemotherapy is used to treat many cancers. More than 100 chemotherapy drugs are used today – either alone or in combination with other drugs or treatments. These drugs vary widely in their chemical composition, how they are taken, their usefulness in treating specific forms of cancer, and their side effects.