Why do I need this medicine?
Lapatinib is used together with other medicines to treat breast cancer.
How do I take this medicine?
Take Lapatinib exactly as directed by your doctor or according to the instructions on the label. Do not take more or less than instructed by your doctor.
This medicine should be taken on an empty stomach, at least 1 hour before or 1 hour after a meal. Try to take it at the same time each day.
Lapatinib must be taken regularly for it to be effective. Continue taking this medicine even when you feel better. Do not stop taking it unless instructed by the doctor.