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When and How Do I Take It?

General considerations for when and how to take lapatinib include the following:
  • The medication comes in tablet form and is taken by mouth once daily.
  • The drug should be taken at least an hour before or one hour after a meal.
  • Lapatinib should be taken at the same time each day to maintain an even level in your blood.
  • For the medication to work properly, it must be taken as prescribed. It will not work if you stop taking it.

Dosing Information for Lapatinib

The dosage that your healthcare provider recommends will vary, depending on a number of factors, including:
  • Other medications you may be taking
  • Other medical conditions you may have.
As is always the case, do not adjust your dose unless your healthcare provider specifically instructs you to do so.
(Click Lapatinib Dosing for more information.)

Drug Interactions

Lapatinib can potentially interact with a few other medicines (see Drug Interactions With Lapatinib).

What If I Take an Overdose of Lapatinib?

People who take too much of this medication may have overdose symptoms that could include:
(Click Tykerb Overdose for more information.)

How Should It Be Stored?

Lapatinib should be stored at room temperature, away from moisture and heat. Store the tablets in an airtight container.
Keep lapatinib and all medications out of the reach of children.
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