Mohammad Reza Najarzadegan

Department of Psychiatry, Iran University of Medical Science, Tehran, Iran.

[ 1 ] - A comparison of pattern of psychiatric symptoms in inpatients with bipolar disorder type one with & without methamphetamine use

Background: Iran is facing an outbreak of methamphetamine-induced disorders and frequent use of these substances in patients with bipolar disorder. Using or intoxication of methamphetamine in patients with bipolar I disorder may alter the patient's clinical profile; however there is limited studies about impact of methamphetamine on clinical manifestation of bipolar disorders. This study aimed ...

[ 2 ] - The Comparison Between Positive & Negative Symptoms Severity in Prolonged Methamphetamine-Induced Psychotic Disorder and Schizophrenia

Introduction: This study aims to compare the positive and negative symptoms of schizophrenia in patients who had psychotic symptoms more than one month after discontinuation of methamphetamine abuse. These factors were analyzed by the PANSS (Positive and Negative Syndrome Scale) questionnaire. Materials and Methods: 60 participants were selected from patients referred to Iran Psychiatric Hospi...