TY - JOUR ID - 84525 TI - Reporting a Case of Injecting Methylphenidate (Ritalin) Tablets, Intensified Symptoms of Schizoph-renia or Induce Separate Mental Disorder JO - Addiction and Health JA - AHJ LA - en SN - 2008-4633 AU - Ghaffarinejad, Alireza AU - Kheradmand, Ali AD - Associate Professor of Psychiatry, Kerman University of Medical Sciences AD - Psychiatrist, School of Medicine and Neuroscience Research Center, Kerman University of Medical Sciences Y1 - 2010 PY - 2010 VL - 1 IS - 2 SP - EP - DO - N2 - Abstract Background: Methylphenidate is one of the classic amphetamines which can cause or exacerbate psychotic symptoms in schizophrenia patients. Methods: In this paper, a young man is presented with injection of methylphenidate tablets with acute cellulitis due to this injection and the related symptoms. In the first hospitalization and after recovery from psychotic disorder due to tablet injections, he was under treatment with anti-psychotics because of other symptoms related to schizophrenia. Although the patient was regularly under schizophrenic medication after discharge, he was hospitalized twice more due to psychotic symptoms that appeared after injecting methylphenidate. Findings: This report shows psychotic symptoms in schizophrenic patients after injecting methylphenidate. These symptoms cannot be prevented even by anti-psychotic medication of background disease. This case shows the existence of two kinds of psychoses, functional (due to schizophrenia) and organic psychoses (due to methylphenidate use) in the same patient. Keywords: Methylphenidate, Injection, Schizophrenia, Psychotic disorders.   UR - https://ahj.kmu.ac.ir/article_84525.html L1 - https://ahj.kmu.ac.ir/article_84525_18b7bf39215a201a4c8a9a02060c86aa.pdf ER -