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Iressa

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Iressa

Iressa Patient Information including If I Miss a Dose

What happens if I miss a dose (Iressa)?

Contact your doctor if you miss a dose of gefitinib.

What happens if I overdose (Iressa)?

If an overdose of gefitinib is suspected, seek emergency medical attention or contact your healthcare provider immediately.

Symptoms of a gefitinib overdose tend to be similar to side effects caused by the medication, although often more severe.

What should I avoid while using gefitinib (Iressa)?

There are no restrictions on food, beverages, or activity during treatment with gefitinib unless otherwise directed by your doctor.

What other drugs will affect gefitinib (Iressa)?

Before taking gefitinib, tell your doctor if you are taking any other medicines, especially any of the following:

  • warfarin (Coumadin);
  • rifampin (Rifadin, Rimactane);
  • phenytoin (Dilantin, Phenytek);
  • ketoconazole (Nizoral);
  • itraconazole (Sporanox); or
  • a stomach acid reducer such as cimetidine (Tagamet, Tagamet HB), ranitidine (Zantac, Zantac 75), esomeprazole (Nexium), lansoprazole (Prevacid), omeprazole (Prilosec), and others.

You may not be able to take gefitinib, or you may require a dosage adjustment or special monitoring if you are taking any of the medicines listed above.

Many other drugs may interact with gefitinib. Talk to your doctor and pharmacist before taking any other prescription or over-the-counter medicines, including vitamins, minerals, and herbal products.

Where can I get more information?

Your healthcare provider may have additional information about gefitinib that you may read.


Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

Copyright 1996-2013 Cerner Multum, Inc. Version: 2.06. Revision date: 12/15/2010.

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