Our immune system can fight the tumor cells without directly harming any normal/healthy cell with pembrolizumab 100mg injection (which is also available as keytruda). Protein pathway called PD-1 (immune checkpoint inhibitors) through which cancer cells hide themselves to prevent early detection is blocked by this drug composition thereby activating T- cells to attack cancer cells. It is recommened to take proper advice and precautions stated by your healthcare provider. visit – https://www.magicinepharma.com/injection/keytruda-100mg-injection