This thesis associates language in Nietzsche s philosophy with the Greek concept of phámakon. In The Birth of Tragedy, Nietzsche claims tragedy was born when drunkenness and soberness were combined in one art form that was driven simultaneously by Apollonian and Dionysian artistic drives. In this context, language, an Apollonian element, has a therapeutical function - it integrates Dionysian drives and get music and text together harmoniously. In spite of this, Nietzsche blames Socrates influence on Euripides for the death of tragedy. The Greek playwright emphasized language and rationality over music in his plays, losing dramatic tension and artistic power. It turned into the poison that ultimately exterminated ancient tragedy. Therefore, Nietzsche argues that the first rationalist assault over Greek culture was made through language. In this thesis, we try to broaden Nietzsche analysis about the role of language on the birth and death of Greek tragedy, studying his works from his ideas about language.