A case of amoxapine-indueed tardive dystonia successfully treated with a low dose anti-cholinergic agent

Y. Hayashi, Y. Ohyagi, I. Inoue, K. Arakawa, T. Taniwaki, M. Nakagawa, Y. Kuwabara, T. Yamada, Jun-Ichi Kira

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We report a 63-year-old man who presented with amoxapine-induced tardive dystonia. At 49 years of age, he developed depression and was administrated 50mg arnoxapine, 4mg cloxazoram and 3 mg biperiden per day. The daily dose of amoxapine was gradually increased up to 150mg at 58 years of age. At 61 years of age and after having been taking amoxapine for twelve years, he noticed a rotating left arm and muscle pain in his left shoulder and arm while walking. At 62 years of age, he stopped taking these three drugs. However, the dystonic movements and pain both continued to get worse. Neurological findings revealed no abnormality except for a dystonic posture and movements in the neck and bilateral arms while sitting, standing and walking. Positron emission tomography with C-11 raclopride revealed a mild decrease in the dopamine D 2 receptor numbers in the bilateral striatum. Howeber, two dopamine agonists, pergolide and bromocriptine, worsened his dystonia. In contrast, the daily administration of 2mg of trihexyphenidyl, an anti-cholinergic agent, markedly ameliorated the dystonia symptoms. As a result, the long-term co-administration of biperiden, an anti-cholinergic agent, may mask the toxicity of amoxapine, which may induce tardive dystonia.

Original languageEnglish
Pages (from-to)367-371
Number of pages5
JournalClinical Neurology
Volume40
Issue number4
Publication statusPublished - Jan 1 2000
Externally publishedYes

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Amoxapine
Cholinergic Antagonists
Cholinergic Agents
Biperiden
Arm
Dystonia
Walking
Trihexyphenidyl
Pergolide
Raclopride
Bromocriptine
Myalgia
Dopamine Agonists
Masks
Posture
Positron-Emission Tomography
Dopamine
Neck
Depression
Pain

All Science Journal Classification (ASJC) codes

  • Clinical Neurology

Cite this

Hayashi, Y., Ohyagi, Y., Inoue, I., Arakawa, K., Taniwaki, T., Nakagawa, M., ... Kira, J-I. (2000). A case of amoxapine-indueed tardive dystonia successfully treated with a low dose anti-cholinergic agent. Clinical Neurology, 40(4), 367-371.

A case of amoxapine-indueed tardive dystonia successfully treated with a low dose anti-cholinergic agent. / Hayashi, Y.; Ohyagi, Y.; Inoue, I.; Arakawa, K.; Taniwaki, T.; Nakagawa, M.; Kuwabara, Y.; Yamada, T.; Kira, Jun-Ichi.

In: Clinical Neurology, Vol. 40, No. 4, 01.01.2000, p. 367-371.

Research output: Contribution to journalArticle

Hayashi, Y, Ohyagi, Y, Inoue, I, Arakawa, K, Taniwaki, T, Nakagawa, M, Kuwabara, Y, Yamada, T & Kira, J-I 2000, 'A case of amoxapine-indueed tardive dystonia successfully treated with a low dose anti-cholinergic agent', Clinical Neurology, vol. 40, no. 4, pp. 367-371.
Hayashi Y, Ohyagi Y, Inoue I, Arakawa K, Taniwaki T, Nakagawa M et al. A case of amoxapine-indueed tardive dystonia successfully treated with a low dose anti-cholinergic agent. Clinical Neurology. 2000 Jan 1;40(4):367-371.
Hayashi, Y. ; Ohyagi, Y. ; Inoue, I. ; Arakawa, K. ; Taniwaki, T. ; Nakagawa, M. ; Kuwabara, Y. ; Yamada, T. ; Kira, Jun-Ichi. / A case of amoxapine-indueed tardive dystonia successfully treated with a low dose anti-cholinergic agent. In: Clinical Neurology. 2000 ; Vol. 40, No. 4. pp. 367-371.
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