[An infrequent case of attempted suicide with colchicine]

The author reports an unusual case of voluntary poisoning caused by 60 mg of colchicine. He describes the physiopathological mechanism of poisoning, the clinical evolution and the treatment. In particular, he examines the ARDS, typical complication, analyzing the responsible mechanism of this event and some of its peculiarities. The author pays particular attention to the blood monitoring levels of HHb as a precious diagnostic index of diffuse infiltrative lung disease.