Development of acute dystonia in three brothers due to metoclopramide

Ibrahim Silfeler1, Vefik Arica, Secil Arica

  • 1Department of Pediatrics, School of Medicine, Mustafa Kemal University, Hatay, Turkey.

Insights

Metoclopramide can cause acute dystonic reactions. In one family, three brothers experienced this adverse drug reaction after metoclopramide treatment, suggesting a potential genetic predisposition.

Area of Science:

  • Neurology
  • Pharmacology
  • Genetics

Background:

  • Metoclopramide is a commonly prescribed medication for gastrointestinal issues.
  • Dystonic reactions are a known, albeit uncommon, side effect of metoclopramide.
  • Family history can play a role in adverse drug reactions.

Observation:

  • Three brothers from the same family developed acute dystonic reactions shortly after receiving their first dose of metoclopramide.
  • The patients were treated with metoclopramide for gastroenteritis.
  • Symptoms of acute dystonia appeared within 30 minutes of medication administration.

Findings:

  • The simultaneous occurrence of acute dystonic reactions in multiple siblings treated with metoclopramide suggests a potential familial susceptibility.
  • This case highlights a possible genetic link or shared environmental factor influencing metoclopramide-induced dystonia.

Implications:

  • Healthcare providers should consider metoclopramide's risk of dystonic reactions, especially in patients with a family history.
  • If one family member experiences a metoclopramide-induced dystonic reaction, caution is advised when prescribing it to other family members.
  • Further research into the genetic factors influencing metoclopramide pharmacodynamics may be warranted.

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