After a short characterization of the surge of modern medicine in Colombia and a match to the evolution of war in the country, it is necessary to make some considerations about the illnesses and the wars, about the medical and surgical developments associated with them, about the ecologic impact from the armed conflict, about the sanitary organizations in the history of our wars, about the history of the risks of the medical missions and about the consciousness that the sanitary personnel must have in their professional life to avoid abuses. Finally, some thoughts about Military Medicine in Colombia. A MEDICINA E A GUERRA A DISPERSAO DEVAGAR DA MEDICINA NA COLOMBIA