Substance-induced psychosis or psychosis with substance use?
Background Substance use disorder (SUD) is a well-recognized comorbidity in schizophrenia spectrum disorders, and rates of substance use are significantly higher among patients with first-episode psychosis (FEP) than in the general population (1). When a patient presenting with FEP has co-occurring substance use, such as cannabis or stimulant use, it can be extremely difficult to …
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