Related Experiment Video
Updated: Jun 16, 2026

Habituation and Prepulse Inhibition of Acoustic Startle in Rodents
Published on: September 1, 2011
Valproic acid-induced abnormal behavior
Nanjangud Chandrashekar Nagalakshmi1, Madhan Ramesh, Gurumurthy Parthasarathi
1Department of Pharmacy Practice, J.S.S. College of Pharmacy, Mysore, India.
Valproic acid, used for epilepsy, can rarely cause abnormal behavior in patients. Discontinuing this medication led to the patient's full recovery, highlighting the need for vigilance regarding its behavioral side effects.
Area of Science:
- Neurology
- Psychiatry
Background:
- Valproic acid is a common antiepileptic drug.
- Behavioral disturbances are a rare but possible side effect.
Purpose of the Study:
- To report a case of valproic acid-induced behavioral disturbances.
- To emphasize the importance of monitoring for adverse behavioral effects.
Main Methods:
- A case study of a 12-year-old female with epilepsy.
- Observation of behavioral changes during valproic acid treatment.
- Discontinuation of valproic acid and subsequent recovery.
Main Results:
- The patient developed abnormal behavior on valproic acid.
- Behavioral disturbances resolved after valproic acid withdrawal.
- Causality was assessed as 'possible' for valproic acid.
Conclusions:
- Behavioral disturbances associated with valproic acid are rare and reversible.
- Vigilance for abnormal behavioral effects is crucial in patients on valproic acid.
- Carbamazepine was used as an alternative antiepileptic medication.
Related Concept Videos
Mania and Antimanic Drugs: Overview
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...
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: Potassium Channel Activators
Ezogabine has gained approval as an adjunctive treatment...
Nonlinear Pharmacokinetics: Dependence of Elimination Half-Life and Dose Clearance
A study on guinea pigs examined the...
Hepatic Encephalopathy

