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Epilepsy and Seizures: Overview01:24

Epilepsy and Seizures: Overview

Epilepsy is a chronic neurological disease marked by recurrent, unpredictable seizures. These seizures are caused by abnormal electrical discharges in the brain, leading to behavior, sensation, or consciousness alterations. They can also cause transient impairment of awareness, interfering with daily activities.
Various factors can trigger epilepsy, including genetic factors, brain damage, metabolic causes, and unknown etiology. Diagnosis of epilepsy involves electroencephalography (EEG), which...
Seizures: Classification01:13

Seizures: Classification

Epilepsy is primarily characterized by unpredictable seizures, either provoked by an identifiable factor, such as injury or illness, or unprovoked, occurring spontaneously without apparent cause.
Seizures are typically classified into two main categories: focal and generalized seizures.
Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types:
Antiepileptic Drugs: Sodium Channel Blockers01:08

Antiepileptic Drugs: Sodium Channel Blockers

Antiepileptic drugs are specialized medications that prevent seizures in individuals diagnosed with epilepsy. These drugs primarily function by blocking the movement of sodium ions through channels in the neuronal membrane, inhibiting the repetitive firing of action potentials often associated with seizures.
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: Modulators of Neurotransmitter Release Mediated by SV2A Protein01:20

Antiepileptic Drugs: Modulators of Neurotransmitter Release Mediated by SV2A Protein

Antiepileptic drugs, such as levetiracetam (Keppra) and brivaracetam (Briviact), have emerged as crucial tools in managing epilepsy. These medications exert their therapeutic effects by targeting the synaptic vesicle protein SV2A, a transmembrane glycoprotein primarily found in the brain.
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...
Drug Therapy01:28

Drug Therapy

The advent of drug therapy has profoundly shaped modern mental health care, providing targeted treatments for a range of psychological disorders. Psychotherapeutic drugs, classified into antianxiety, antidepressant, and antipsychotic medications, address symptoms across anxiety disorders, mood disorders, and schizophrenia. While these medications have transformed patient outcomes, they require careful management due to their potential side effects and limitations.
Antianxiety Medications
Seizures l: Introduction01:20

Seizures l: Introduction

Understanding seizures and epilepsy relies on key definitions that help in recognizing, classifying, and managing these disorders. These definitions provide a framework for recognizing, classifying, and managing seizure disorders.DefinitionsA seizure is a sudden, abnormal burst of electrical activity in the brain that can cause changes in awareness, movement, sensation, or behavior, depending on the area involved. Epilepsy is a chronic condition characterized by recurrent, unprovoked seizures,...

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Related Experiment Video

Updated: Jul 17, 2026

Electrophoretic Delivery of γ-aminobutyric Acid (GABA) into Epileptic Focus Prevents Seizures in Mice
07:01

Electrophoretic Delivery of γ-aminobutyric Acid (GABA) into Epileptic Focus Prevents Seizures in Mice

Published on: May 16, 2019

The relationship between poor medication compliance and seizures.

Joyce A. Cramer1, Marc Glassman, Vincent Rienzi

  • 1Yale University School of Medicine, 06516-2770, New Haven, CT, USA

Epilepsy & Behavior : E&B
|March 1, 2003
PubMed
Summary

Many epilepsy patients miss seizure medication doses, increasing seizure risk. Longer treatment duration and higher dose frequency correlate with missed doses and subsequent seizures, highlighting compliance challenges.

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Area of Science:

  • Neurology
  • Pharmacology
  • Public Health

Background:

  • Medication compliance is crucial for effective epilepsy management.
  • Inadequate adherence to anti-seizure medications can lead to treatment failure and increased seizure frequency.
  • Understanding predictors and consequences of non-compliance is vital for improving patient outcomes.

Purpose of the Study:

  • To identify factors predicting inadequate compliance with seizure medications.
  • To assess the consequences of missed anti-seizure drug doses.
  • To provide evidence on the importance of medication adherence in epilepsy.

Main Methods:

  • A 10-item postal survey was administered to 661 patients undergoing epilepsy treatment.
  • Data collected included dose omissions, seizure occurrence after missed doses, duration of treatment, and medication regimen details.
  • Statistical analyses, including odds ratios, were used to determine associations.

Main Results:

  • 71% of respondents reported missing seizure medication doses (average 2+/-2).
  • 45% experienced a seizure after a missed dose.
  • Longer treatment duration (>5 years) predicted dose omission (P<0.01).
  • Increased dose frequency and number of tablets/capsules per dose were associated with higher seizure likelihood after missed doses (P=0.04 and P=0.01, respectively).

Conclusions:

  • Medication non-compliance is a significant issue in epilepsy treatment.
  • Missed doses of anti-seizure drugs can precipitate seizures.
  • Factors such as treatment duration, dose frequency, and pill burden influence compliance and outcomes.