Neuroleptic malignant syndrome (NMS) is an uncommon, potentially lethal complication of treatment with antipsychotic medication. First described in American journals by Delay and Deniker in 1968 (1), this syndrome has been reported for many years in the European and Japanese literature.
Dallman, MD, CPT, MC, James H.
"Diagnosis in the Neuroleptic Malignant Syndrome,"
Jefferson Journal of Psychiatry: Vol. 4
, Article 10.
Available at: http://jdc.jefferson.edu/jeffjpsychiatry/vol4/iss1/10