“…Many of these have been found to cause relatively specific neurological syndromes including diffuse acute or chronic toxic encephalopathy, chronic solvent encephalopathy, cerebellar syndrome, parkinsonism, and vascular encephalopathy [ 45 , 46 ]. There are a number of well-known iatrogenic (pharmaceutical) causes of toxic encephalopathy, for example, some cancer chemotherapeutics [ 97 , 98 ] and psychotherapeutics [ 47 ]. In some cases, including higher treatment doses of mefloquine and other quinolines [ 99 , 100 ], the neuropsychiatric symptoms of the iatrogenic encephalopathy are difficult to distinguish from those of the disease being treated [ 45 , 46 ].…”