Internet addiction (IA) has been temporarily listed in DSM-5 section III, and named Internet Gaming Disorder (IGD). The present unresolved problem is whether IA reflects a non-substance addictive disorder, or is a secondary disease following other psychiatric disorders.1 The complicated psychiatric comorbidity problem is that 88.3% of children and adolescents with IA have an average of two other co-occurring diagnoses. Among them, attention deficit hyperactivity disorder (ADHD) is the most commonly seen co-occurring diagnosis, with an incidence as high as 83.3%. The most serious co-occurring diagnosis was psychotic-like experiences2 or reported withdrawal psychosis after IA3, 4 (one adult and one adolescent). The previous report of an adolescent introduced the psychosis but gave no possible reason for how the psychosis developed. Herein, we report the second case of adolescent psychosis after IA and suggest the possible pathogenesis.
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Psychiatry and Clinical Neurosciences 69(6), p.384