NOT KNOWN FACTUAL STATEMENTS ABOUT PHASE 3 STUDY OF PEMBROLIZUMAB

But Keytruda can cause really serious side effects that could produce long-term problems. In some instances, these problems can take many weeks or months to take care of. Here are several illustrations, all of which cause inflammation (harm and swelling) in several aspects of the body:A mild, itchy skin rash is usually a common side result of Keytr