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Updated: Aug 22, 2025

Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis
Published on: November 21, 2013
[Neuroleptic malignant syndrome caused by olanzapine, risperidone and haloperidol]
Patrick Vincent Marloth1, Martin Riis Ladefoged2, Magnus Spangsberg Boesen1
1Neurologisk Afdeling, Sjællands Universitetshospital Roskilde.
Abstract:
Neuroleptic malignant syndrome is a rare neuropsychiatric complication caused by antipsychotic drugs. Symptoms include decreased consciousness, fever, muscle rigidity and autonomic dysfunction. Creatine kinase concentration is often elevated. This is a case report of a 27-year-old man who developed neuroleptic malignant syndrome after administration of olanzapine, risperidone and haloperidol. He was treated with benzodiazepine, dantrolene, amantadine and electroconvulsive therapy with good recovery.
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