Lapatinib may cause liver damage which can be severe
or life-threatening.
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3
Use birth control that you
can trust to prevent pregnancy while taking Lapatinib powder.
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4
Some side effects of Lapatinib powder may occur that usually do
not need medical attention.
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5
Your doctor will order certain laboratory tests before and during your treatment to see
whether your liver islikely to be damaged or has been damaged by Lapatinib.