Case Report

Acute Dystonic Reaction Following Methylphenidate Discontinuation During Combination Therapy with Risperidone: A Case Study

Volume: 77 Number: 2 August 12, 2024
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Acute Dystonic Reaction Following Methylphenidate Discontinuation During Combination Therapy with Risperidone: A Case Study

Abstract

Attention deficit hyperactivity disorder (ADHD), a prevalent neurodevelopmental disorder, is characterized by attention deficit, hyperactivity, and impulsivity. It frequently accompanies psychiatric disorders, such as oppositional-defiant disorder, anxiety, and mood disorders in children. Current studies indicate a rising use of atypical antipsychotics in conjunction with psychostimulants to treat ADHD and co-occurring disorders. However, the combination therapy may heighten the risk of adverse effects due to drug-drug interactions. One of these side effects is acute dystonic reaction (ADR), an extrapyramidal symptom characterized by involuntary muscle contractions, particularly in the head and neck region. In this case report, a 6-year-old male patient with ADHD who was initially treated with risperidone and later started on methylphenidate is presented. After discontinuing methylphenidate, the child developed ADR, involuntary contractions in his face and neck. The abrupt cessation of methylphenidate in combination therapy with risperidone resulted in the occurrence of dystonia as an extrapyramidal system side effect. Symptomatic improvement was observed with the biperiden treatment. Pharmacodynamic interactions between methylphenidate and risperidone, particularly involving dopamine pathways, were implicated in the development of ADR. This case report emphasizes the importance of recognizing and managing potential side effects, such as dystonia, when altering combinations of psychostimulant and antipsychotic medications. It also highlights the need for cautious dose adjustments and gradual tapering of medications to mitigate the risk of movement disorders. Additionally, the case underscores the significance of considering individual risk factors, medical history, and genetic predispositions in treatment decision-making.

Keywords

Ethical Statement

Informed consent was obtained from the child and his parents.

References

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Details

Primary Language

English

Subjects

Psychiatry

Journal Section

Case Report

Publication Date

August 12, 2024

Submission Date

March 25, 2024

Acceptance Date

May 14, 2024

Published in Issue

Year 2024 Volume: 77 Number: 2

APA
Büyükkal, Ü., Temeltürk, R. D., & Tekin, D. (2024). Acute Dystonic Reaction Following Methylphenidate Discontinuation During Combination Therapy with Risperidone: A Case Study. Ankara Üniversitesi Tıp Fakültesi Mecmuası, 77(2), 222-226. https://doi.org/10.4274/atfm.galenos.2024.80148
AMA
1.Büyükkal Ü, Temeltürk RD, Tekin D. Acute Dystonic Reaction Following Methylphenidate Discontinuation During Combination Therapy with Risperidone: A Case Study. Ankara Üniversitesi Tıp Fakültesi Mecmuası. 2024;77(2):222-226. doi:10.4274/atfm.galenos.2024.80148
Chicago
Büyükkal, Ümmühan, Rahime Duygu Temeltürk, and Deniz Tekin. 2024. “Acute Dystonic Reaction Following Methylphenidate Discontinuation During Combination Therapy With Risperidone: A Case Study”. Ankara Üniversitesi Tıp Fakültesi Mecmuası 77 (2): 222-26. https://doi.org/10.4274/atfm.galenos.2024.80148.
EndNote
Büyükkal Ü, Temeltürk RD, Tekin D (August 1, 2024) Acute Dystonic Reaction Following Methylphenidate Discontinuation During Combination Therapy with Risperidone: A Case Study. Ankara Üniversitesi Tıp Fakültesi Mecmuası 77 2 222–226.
IEEE
[1]Ü. Büyükkal, R. D. Temeltürk, and D. Tekin, “Acute Dystonic Reaction Following Methylphenidate Discontinuation During Combination Therapy with Risperidone: A Case Study”, Ankara Üniversitesi Tıp Fakültesi Mecmuası, vol. 77, no. 2, pp. 222–226, Aug. 2024, doi: 10.4274/atfm.galenos.2024.80148.
ISNAD
Büyükkal, Ümmühan - Temeltürk, Rahime Duygu - Tekin, Deniz. “Acute Dystonic Reaction Following Methylphenidate Discontinuation During Combination Therapy With Risperidone: A Case Study”. Ankara Üniversitesi Tıp Fakültesi Mecmuası 77/2 (August 1, 2024): 222-226. https://doi.org/10.4274/atfm.galenos.2024.80148.
JAMA
1.Büyükkal Ü, Temeltürk RD, Tekin D. Acute Dystonic Reaction Following Methylphenidate Discontinuation During Combination Therapy with Risperidone: A Case Study. Ankara Üniversitesi Tıp Fakültesi Mecmuası. 2024;77:222–226.
MLA
Büyükkal, Ümmühan, et al. “Acute Dystonic Reaction Following Methylphenidate Discontinuation During Combination Therapy With Risperidone: A Case Study”. Ankara Üniversitesi Tıp Fakültesi Mecmuası, vol. 77, no. 2, Aug. 2024, pp. 222-6, doi:10.4274/atfm.galenos.2024.80148.
Vancouver
1.Ümmühan Büyükkal, Rahime Duygu Temeltürk, Deniz Tekin. Acute Dystonic Reaction Following Methylphenidate Discontinuation During Combination Therapy with Risperidone: A Case Study. Ankara Üniversitesi Tıp Fakültesi Mecmuası. 2024 Aug. 1;77(2):222-6. doi:10.4274/atfm.galenos.2024.80148