West syndrome associated with administration of a histamine H1 antagonist, oxatomide

Yushiro Yamashita1, Takeo Isagai, Yoshitaka Seki

  • 1Department of Pediatrics and Child Health, Kurume University School of Medicine, Kurume 830-0011, Japan. yushiro@med.kurume-u.ac.jp

Insights

Histamine H1 antagonists like oxatomide may trigger West syndrome in infants. Caution is advised when prescribing these medications to young children due to potential neurological risks.

Area of Science:

  • Pediatric Neurology
  • Pharmacology
  • Dermatology

Background:

  • West syndrome is a severe form of epilepsy in infants.
  • Atopic dermatitis is a common inflammatory skin condition in infants.
  • Histamine H1 antagonists are commonly used to treat allergic conditions.

Observation:

  • A 4-month-old infant developed West syndrome 11 days after receiving oxatomide for atopic dermatitis.
  • The infant's clinical presentation and the timing of the event were similar to previous cases involving ketotifen.

Findings:

  • Oxatomide, a histamine H1 antagonist, is a potential trigger for West syndrome in susceptible infants.
  • The mechanism may involve the disruption of the central histaminergic system, which plays a role in seizure control.

Implications:

  • Clinicians should exercise caution when prescribing oxatomide and ketotifen to young infants.
  • Further research is needed to understand the neurotoxic potential of histamine H1 antagonists in pediatric populations.
  • Monitoring for seizure activity is crucial in infants treated with these medications.

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