GEFITINIB (ge FI ti nib) is a chemotherapy drug. It targets a specific enzyme within cancer cells and stops the cancer cells from growing. It is used to treat advanced non-small cell lung cancer. To receive this medicine, you will be enrolled in the Iressa Access Program. The medicine will be provided by a special mail-order pharmacy.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
Take this medicine by mouth with a full glass of water. Follow the directions on the prescription label. You can take it with or without food. Take your medicine at regular intervals. Do not take it more often than directed. Do not stop taking except on your doctor's advice.
If you have difficulty swallowing the tablets, let your doctor, pharmacist or health care professional know. They can help you with advice.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
What if I miss a dose?
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose and skip your missed dose. Do not take double or extra doses.
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
What should I watch for while using this medicine?
Visit your doctor for checks on your progress. You will need to have regular blood tests while on this medicine.
Report any new symptoms promptly. Let your doctor know if you have severe or persistent diarrhea, nausea, loss of appetite, or vomiting, as these side effects may cause dehydration. This drug may cause severe lung problems. Call your doctor if your breathing gets worse and/or you develop a cough or fever.
Do not become pregnant while taking this medicine. Women should inform their doctor if they wish to become pregnant or think they might be pregnant. There is a potential for serious side effects to an unborn child. Talk to your health care professional or pharmacist for more information. Do not breast-feed an infant while taking this medicine.
Last Updated: April 29, 2009
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