KEYTRUDA® (pembrolizumab) - Official Site Learn about KEYTRUDA® (pembrolizumab), an immunotherapy that works with your immune system to help fight certain cancers Visit the patient website
How KEYTRUDA® (pembrolizumab) Works Learn how KEYTRUDA® (pembrolizumab) works with your immune system to help fight cancer cells Watch two videos about immunotherapy and how it works in the body
Side Effects of KEYTRUDA® (pembrolizumab) Learn about the side effects that may occur while taking KEYTRUDA® (pembrolizumab) Review serious side effects and common side effects with KEYTRUDA
FAQs About KEYTRUDA® (pembrolizumab) Find answers to frequently asked questions about KEYTRUDA® (pembrolizumab) including how does KEYTRUDA work, PD-L1 testing information, and more