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Antiepileptic Drugs: Potassium Channel Activators

Antiepileptic Drugs: Potassium Channel Activators

Ezocgabine or retigabine, an antiepileptic drug of remarkable efficacy, has revolutionized the management of seizures. It is a potassium channel activator, explicitly targeting the family of Q subtype potassium channels. It enhances the transmembrane potassium currents, regulating neuronal excitability. This action stabilizes the resting membrane potential, a pivotal factor in mitigating the hyperexcitability that characterizes epilepsy.
Ezogabine has gained approval as an adjunctive treatment...

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Related Experiment Video

Updated: Mar 26, 2026

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance

Published on: March 21, 2013

Transient Positive Horizontal Head Impulse Test in Pregabalin Intoxication.

Seong-Hae Jeong¹, Yong Soo Kim¹, Ju-Hoen Lee¹

¹Department of Neurology, Chungnam National University Hospital, Daejeon, Korea.

Journal of Epilepsy Research

|January 29, 2016

Summary

Antiepileptic drug pregabalin can cause transient bilateral positive head impulse tests, indicating cerebellar dysfunction in patients experiencing dizziness and imbalance.

Area of Science:

Neuroscience
Neurology
Ophthalmology

Background:

Keywords:

Cerebellum Head impulse test Pregabalin

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The head impulse test (HIT) assesses the high-frequency vestibulo-ocular reflex (VOR), crucial for maintaining gaze stability during head movements.
Abnormalities in HIT have been documented in various cerebellar disorders, suggesting its sensitivity to cerebellar function.
Transient bilateral positive head impulse findings linked to antiepileptic drug use have not been previously reported.