induced psychotic disorder
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shared psychotic disorder
a delusional system that develops in one or more persons as a result of a close relationship with someone who already has a psychotic disorder with prominent delusions. It most commonly involves only two people and then is usually called folie à deux.
in·duced psy·chot·ic dis·or·der
a severe mental disorder brought about by a toxic agent such as a drug or hallucinogen. See: psychosis.