How should I take Lapatinib 250mg Tablet? The dosage of this medicine will be instructed by the doctor and they will also tell you the correct method to consume it. Lapatinib 250mg Tablet are prescribe by doctors to those who are diagnosed with breast cancer. Do not start the medicine without consulting with the medical expert. https://www.magicinepharma.com/tablet/tykerb-lapatinib