Related Experiment Video
Updated: Aug 12, 2026

Non-restraining EEG Radiotelemetry: Epidural and Deep Intracerebral Stereotaxic EEG Electrode Placement
Published on: June 25, 2016
Influence of phenobarbital on the psychomotor development and behaviour in preschool children with convulsions
Insights
Phenobarbital treatment for childhood epilepsy initially caused temporary behavioral issues and motor skill decline in preschoolers. These effects resolved within a year, indicating potential for long-term recovery.
Area of Science:
- Pediatric Neurology
- Developmental Psychology
- Clinical Pharmacology
Background:
- Febrile convulsions and epilepsy are common in preschool children.
- Phenobarbital is a frequently prescribed antiepileptic medication.
- Understanding the neurodevelopmental impact of phenobarbital in young children is crucial.
Purpose of the Study:
- To evaluate the psychological and behavioral effects of phenobarbital in preschool children.
- To assess the transient nature of potential drug-induced changes.
- To correlate plasma phenobarbital levels with observed effects.
Main Methods:
- Longitudinal study of eleven preschool children with epilepsy or febrile convulsions.
- Administration of phenobarbital with regular psychological testing and behavioral analysis for one year.
- Monitoring of plasma phenobarbital levels throughout the study period.
Main Results:
- Transient deterioration in fine motor function observed in most children.
- Behavioral disturbances were noted during the initial weeks and months of treatment.
- All observed drug-induced changes resolved by the one-year follow-up.
Conclusions:
- Phenobarbital can cause temporary neurodevelopmental and behavioral side effects in young children.
- These effects appear to be transient and reversible.
- Further research is needed to fully understand the long-term implications.
Abstract:
Eleven preschool children with febrile convulsions or epilepsy were started on phenobarbital. Before treatment was started and at regular intervals after the onset of medication up to one year psychological tests were applied and the behaviour of the children analyzed. The plasma levels of phenobarbital were recorded. A transient deterioration of fine motor functions and behavioural disturbances were found in most children during the first weeks and months. The problems subsided thereafter and at one year follow up the drug-induced changes had disappeared. The need for extended studies is underlined.
Related Concept Videos
Sedatives and Hypnotics Drugs: Barbiturates
Antiepileptic Drugs: Sodium Channel Blockers
Sodium channel blockers modulate ion channels, particularly voltage-gated sodium channels. They block only sodium ion movement.
Among the most commonly prescribed antiepileptic drugs are...
Antiepileptic Drugs: GABAergic Pathway Potentiators
The key GABA pathway potentiators used in epilepsy management are as follows.
Benzodiazepines are a well-known class of drugs used for their...
Antiepileptic Drugs: Modulators of Neurotransmitter Release Mediated by SV2A Protein
SV2A is a transmembrane glycoprotein located predominantly in the brain, modulating the release of neurotransmitters for neuronal communication. Both levetiracetam and brivaracetam exhibit a high affinity for...
Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption
Pharmacokinetics in Pediatric Patients: Drug Distribution

