Case Report

Haloperidol-Induced Dystonia due to Sedation for Upper Gastrointestinal Endoscopy: A Pediatric Case Report

Table 1

Summary of all the reported cases of antipsychotic-induced laryngeal dystonia in pediatric patients.

Study AuthorAgeSexAgentTime to onset from ingestion of antipsychoticsTreatmentClinical Course

Goga et al. [4]16femalePO Aripiprazole6 daysIM benztropineResolved rapidly with treatment
PO diazepam
Russell et al. [5]16malePO Chlorpromazine2 daysdiphenhydramineResolved rapidly with treatment
Kanburoglu et al. [6]14femalePO ChlorpromazineNAResolved in 10 min with treatment
IM biperiden
Duggal et al. [7]18malePO ziprasidonea few hoursIM benztropineResolved in 15 min with treatment
Derinoz et al. [8]13-18NAAntipsychoticsNANANA
Derinoz et al. [8]13-18NAAntipsychoticsNANANA
Present Case12maleIV Haloperidol24 hoursIV hydroxyzineResolved in a few min with treatment

PO, per oral; IM, intramuscular; IV, intravenous; NA, not available; ED, emergency department.