Tytkerb Tablet is another kind of anticancer drug that is indicated in the treatment of breast cancer. The main component of composition is Lapatinib and recommended to the women after menopause. Along with this, the offered range is used for lung cancer and approved by FDA. Lapatinib is present as human epidermal growth factor receptor type 2 and epidermal growth factor receptor tyrosine kinases inhibitor. Basically, Tytkerb Tablet works by binding to the intracellular phosphorylation domain so as to prevent receptor autophosphorylation upon ligand binding and stop the growth of cancer cell.