DELUSIONAL MERCURY-POISONING IN MULTIPLE- SCLEROSIS

We confirmed the diagnosis of multiple sclerosis in a 54-year-old man. The patient rejected this diagnosis and was completely convinced that all his symptoms resulted from a chronic mercury intoxication. We fou nd evidence that this delusional disorder was an independent illness, and not a ''symptomatic psychosis in multiple sclerosis.'' So far, lit tle notice has been taken ill psychiatry of delusions of environmental poisoning, which cause difficulties in applying common criteria of de lusion.