Caduceus as a symbol of medicine

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The caduceus, depicted as a staff entwined by two snakes and often topped with wings, is the traditional symbol of the Greek god Hermes. Hermes was the god of trade, deception, thievery, eloquence, negotiation, and alchemy, with no traditional association with healing or medicine. Medicine's traditional symbol, by contrast, is the Rod of Asclepius, a plain staff wound by a single serpent and named for Asclepius, the Greek god of medicine and healing. Predominantly in the United States, however, the caduceus became associated with medicine in the late 19th and early 20th centuries, a result of misunderstandings of classical iconography.

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