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When and How to Take This Medicine

Some general considerations to keep in mind during treatment with gefitinib include the following:
  • Gefitinib comes in the form of a tablet. It is usually taken by mouth once a day.
  • This medication can be taken with or without food.
  • Try to take your dose at the same time each day to keep an even level of the medicine in your bloodstream.
  • People who have difficulty swallowing gefitinib can dissolve the tablets in half a glass of water and drink the water. Other liquids should not be used to dissolve the medication.
  • For the medication to work properly, it must be taken as prescribed. Do not stop taking gefitinib just because you feel better.

Dosing Information for Gefitinib

The dose of gefitinib your healthcare provider recommends may vary, depending on other medications you are taking.
As is always the case, do not adjust your dosage unless your healthcare provider specifically tells you to do so.
(Click Gefitinib Dosage for more information.)

Drug Interactions

Gefitinib may react with a number of other medicines (see Drug Interactions With Gefitinib).

What If I Overdose on This Drug?

An overdose with this medicine can cause serious side effects, including diarrhea and a skin rash. Seek immediate medical attention if you or someone else may have taken too much of this medication.
(Click Iressa Overdose for more information.)
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Gefitinib Drug Information

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