Paraquat is a powerful herbicide used since 1962, that has a high mult
iorgan toxicity against which there is no effective treatment. It is u
sed frequently as poison by ingestion in some rural aereas. However, c
ases in which paraquat is used by parenteral injection are rare. In th
is paper we describe a suicide attempt by parenteral injection of para
quat in a young 18 year old man with psychiatric problems, who kept th
e information secret until 48 hours alter admission.