Lapatinib is an anticancer medicine that is used to treat breast cancer. Tykerb is the brand name of Lapatinib. It is a tyrosine kinase inhibitor that works by inhibiting the mechanism of certain growth factors that are needed by the tumors. Consequently, it inhibits the cell proliferation and metastasis of cancer cells. Although the Lapatinib 250mg Tablet Price is high, you can read more information on our website.