Gefitinib is a cancer chemotherapy medication. Gefitinib interferes with the growth of cancer cells and slows their growth and spread in the body. Gefitinib is used in the treatment of non-small cell lung cancer. Gefitinib may also be used for purposes other than those listed in this medication guide.
Iressa is a medicine that has its generic name being gefitinib. Iressa is a mediation that is used for the treatment of cancer. Iressa works by interfering with both the growth and spread of cancer cells in the body. Iressa is classified in a drug class that is known as tyrosine Kinase inhibitor.