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  • Title: [The psychopathology of early and chronic psychotic symptoms in young drug-users].
    Author: Bron B.
    Journal: Schweiz Arch Neurol Neurochir Psychiatr; 1976; 119(1):73-95. PubMed ID: 981987.
    Abstract:
    Among the psychotic symptoms in juvenile drug-consumers one can find autonomous, i.e. drug-independent developments, whose connection with the drug-abuse is to be assessed in differing ways. A beginning psychosis can be modified in its actual symptoms by drug-consumption. On the other hand one must consider the manifestation of a latent psychosis or purely symptomatic psychosis, which, in its symptoms, can hardly be distinguished from schizophrenia. Finally drug-induced personality-changes can develop together with secondary psychotic symptoms. Psychotic symptoms are determined and influenced in a varying degree by drugs. Both after short drug-consumption and after a longer drug-anamnesis with polytoxicomanic symptoms psychotic syndromes can be discovered. Even the initial psychotic symptoms can hint at an adverse development and a bad prognosis. Sometimes the drug-experiences conceal the autonomous development of the psychosis, which, as a rule, shows predominantly schizophrenic symptoms. In addition to a quick change of the actual symptoms, acute states of confusion and depressive-suicidal syndromes, flash-back and horror-trip phenomena, closely connected with the psychotic experience, and a schizophrenic colouring of affective psychoses can be found as frequently drug-induced modifications of the psychotic symptoms. Furthermore one finds an increase of symptoms and of the psychotic episodes in the case of psychoses of the schizophrenic variety which have already begun. Grave personality changes with psychotic symptoms after chronic drug-abuse can cause differential-diagnostic difficulties.
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