Amphetamine psychosis

Negative priming in amphetamine psychosis.

Amphetamine abuse may lead to a psychotic state, its symptomatology being very similar to what is seen in paranoid schizophrenia. Failure of attentional inhibition of irrelevant information is thought to be associated with the psychotic symptoms in schizophrenia. Negative priming (NP) paradigm is believed to measure this impairment. Several studies have shown impaired NP in schizophrenia. In th...

Ethical issues regarding prospective studies of amphetamine psychosis.

[Risk factors of schizophrenia development in patients with amphetamines dependence and psychosis (amphetamine-induced psychosis and schizophrenia), and without psychosis].

AIM Amphetamine and its derivates can induce, usually after many intoxications, schizophrenia-like psychosis. These disorders appeared only in part patients with amphetamine dependence. Aim of the study was to establish prevalence of selective risk factors of schizophrenia development in amphetamine users: 1) with amphetamine-induced schizophrenia-like psychosis, 2) with schizophrenia, and 2) w...

Amphetamine-induced psychosis - a separate diagnostic entity or primary psychosis triggered in the vulnerable?

Use of amphetamine and methamphetamine is widespread in the general population and common among patients with psychiatric disorders. Amphetamines may induce symptoms of psychosis very similar to those of acute schizophrenia spectrum psychosis. This has been an argument for using amphetamine-induced psychosis as a model for primary psychotic disorders. To distinguish the two types of psychosis o...

Psychosis following Tramadol Withdrawal

Abstract Background: Tramadol is a centrally acting opioid analgesic used to treat moderate to sever pain. It has more advantage and less opioid adverse effects than conventional opioid analgesia. Case Report: This article reports a patient with tramadol dependency that had psychosis after tramadol withdrawal. Conclusion: By the increase of tramadol usage for relief of chronic pain, t...