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Acta Médica Peruana

On-line version ISSN 1728-5917


CRUZADO, Lizardo; NUNEZ-MOSCOSO, Patricia; CHANG-TORRES, Lucy  and  MALDONADO-RUIZ, Humberto. Male adolescent with abdominal dystonia secondary to the use of haloperidol and misdiagnosed as an acute abdomen syndrome. Acta méd. Peru [online]. 2018, vol.35, n.1, pp.71-74. ISSN 1728-5917.

In the past few years, the use of psychotropic drugs, especially anti-psychotics, has increased, for the therapy of non-psychotic conditions in children and adolescents. The more frequent use of atypical anti-psychotic drugs replacing the classical ones has influenced in having less knowledge of their extra-pyramidal effects. We report the case of a 15-year old male adolescent diagnosed with paranoid schizophrenia who presented with abdominal dystonia after receiving haloperidol. He was taken care of with a presumptive diagnosis of acute abdomen syndrome, and he underwent some tests that turned out to have normal results. Later, he developed cervical dystonia and psychomotor agitation. After the initial medication was replaced with ziprasidone and biperiden, the patient fully recovered and he was discharged with his psychotic condition under control. Side effects of anti-psychotic drugs should always be recognized, and its use is to be considered only when no other viable option is available. Abdominal muscle dystonia should be included in the differential diagnosis of the acute abdominal syndrome

Keywords : Dystonia; Antipsychotics agents; Abdomen; acute.

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