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Iressa Patient Information including If I Miss a Dose
In this Article
- What is gefitinib (Iressa)?
- What are the possible side effects of gefitinib (Iressa)?
- What is the most important information I should know about gefitinib (Iressa)?
- What should I discuss with my healthcare provider before taking gefitinib (Iressa)?
- How should I use gefitinib (Iressa)?
- What happens if I miss a dose (Iressa)?
- What happens if I overdose (Iressa)?
- What should I avoid while using gefitinib (Iressa)?
- What other drugs will affect gefitinib (Iressa)?
- Where can I get more information?
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.
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Additional Iressa Information
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You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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