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Updated: Nov 27, 2025

Thermostabilization, Expression, Purification, and Crystallization of the Human Serotonin Transporter Bound to S-citalopram
Published on: November 27, 2016
Citalopram intoxication in four week old infant
Jo-Anne Janson1, Arthur T M Wasylewicz2, Marianne Eijkemans3
1Pediatrics, Maastricht UMC+, Maastricht, The Netherlands.
Insights
Medication errors can cause infant citalopram intoxication. This case report details an infant
Area of Science:
- Pediatric Pharmacology
- Clinical Toxicology
- Neonatal Medicine
Background:
- Infant intoxications frequently result from medication errors, unlike toddlers' accidental ingestions.
- This is the first reported case of citalopram intoxication in an infant.
- Medication errors involving 'look alike' products pose a significant risk to infants.
Observation:
- A 4-week-old infant presented with extreme jitteriness and opisthotonus after accidental citalopram ingestion.
- Symptoms included prolonged gastro-oesophageal reflux; no cardiac arrhythmias or seizures were observed.
- Clinical presentation was assessed using Finnegan scores, correlating with pharmacokinetic data.
Findings:
- Citalopram intoxication in an infant can manifest with neurological and gastrointestinal symptoms.
- Pharmacokinetic data in infants is crucial for understanding citalopram toxicity.
- Finnegan scores provide an objective measure for assessing infant intoxication severity.
Implications:
- This case highlights the need for vigilance in medication dispensing to prevent infant poisoning.
- Screening methods for citalopram intoxication in infants may need refinement.
- Understanding citalopram pharmacokinetics in neonates is vital for clinical management and treatment.
- Utilizing Finnegan scores can standardize the evaluation of neurological symptoms in infant intoxications.
Background:
In contrast to intoxications in toddlers which can be due to accidental ingestions, many intoxications in infants are due to medication errors. To our knowledge, this is the first case report of a citalopram intoxication in an infant, and may offer new insight on possible screening methods for intoxication as well as pharmacokinetics of citalopram in small infants.
Case Presentation:
This case report describes an unintentional citalopram intoxication in a 4 week old infant due to a vitamin D drops 'look alike' error. The infant showed extreme jitteriness and opisthotonus at presentation, as well as prolonged signs of gastro-oesophageal reflux. No cardiac rhythm disturbances or convulsions were seen. The clinical course combined with Finnegan scores was correlated to and supported by pharmacokinetic and pharmacokinetic data of citalopram in the patient.
Conclusions:
Using Finnegan scores in general pediatric practice could help objectify follow-up of acute intoxications in young infants with neurological symptoms.
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