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Related Concept Videos

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: Calcium Channel Blockers01:17

Antiepileptic Drugs: Calcium Channel Blockers

Calcium channel blockers, a class of antiepileptic drugs, regulate the flow of calcium ions within neurons.
Calcium channel blockers exert their antiepileptic effects by targeting T-type calcium channels, which are integral to transmitting nerve signals in the central nervous system. These channels allow the passage of calcium ions, which are vital for neuronal communication. By inhibiting T-type calcium channels, calcium channel blockers effectively reduce the release of neurotransmitters and...
Antiepileptic Drugs: Potassium Channel Activators01:20

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...
Antiepileptic Drugs: GABAergic Pathway Potentiators01:18

Antiepileptic Drugs: GABAergic Pathway Potentiators

γ-aminobutyric acid or GABA, plays a pivotal role as an inhibitory neurotransmitter in the brain. GABA pathway potentiators, also known as GABAergic drugs, are a class of pharmaceutical agents designed to enhance the functioning of the GABAergic system. These medications primarily treat epilepsy, a neurological disorder characterized by recurrent seizures.
The key GABA pathway potentiators used in epilepsy management are as follows.
Benzodiazepines are a well-known class of drugs used for their...
Antihypertensive Drugs: Thiazide-Class Diuretics01:15

Antihypertensive Drugs: Thiazide-Class Diuretics

Thiazide diuretics are sulfonamide derivatives featuring a benzothiadiazine ring system in their molecular structure. Based on this structure, thiazide diuretics can be categorized into two groups: thiazide-type and thiazide-like diuretics. Thiazide-type diuretics, including hydrochlorothiazide and chlorothiazide, consist of a benzothiadiazine backbone with an attached sulfonamide group. Thiazide-like diuretics, such as chlorthalidone and indapamide, lack the thiazide ring but demonstrate...
Ionic Bonds00:42

Ionic Bonds

When atoms gain or lose electrons to achieve a more stable electron configuration they form ions. Ionic bonds are electrostatic attractions between ions with opposite charges. Ionic compounds are rigid and brittle when solid and may dissociate into their constituent ions in water. Covalent compounds, by contrast, remain intact unless a chemical reaction breaks them.Opposing Charges Hold Ions Together in Ionic CompoundsIonic bonds are reversible electrostatic interactions between ions with...

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Related Experiment Video

Updated: Jun 13, 2026

Non-restraining EEG Radiotelemetry: Epidural and Deep Intracerebral Stereotaxic EEG Electrode Placement
06:58

Non-restraining EEG Radiotelemetry: Epidural and Deep Intracerebral Stereotaxic EEG Electrode Placement

Published on: June 25, 2016

Antiseizure medication-induced hyponatraemia.

Guglielmo Vecchio1,2, Debie Alvares3, Kate Shipman4

  • 1University Hospitals Sussex NHS Foundation Trust, Worthing, UK guglielmo.vecchio@outlook.com.

Practical Neurology
|June 11, 2026
PubMed
Summary
This summary is machine-generated.

Hyponatraemia, a side effect of antiseizure medications (ASMs), requires careful management. Balancing hyponatraemia risks with seizure control is key, considering patient factors and medication properties.

Keywords:
ANTICONVULSANTSEPILEPSY

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Area of Science:

  • Clinical Neurology
  • Pharmacology

Background:

  • Hyponatraemia is a recognized adverse effect of antiseizure medications (ASMs).
  • Managing hyponatraemia involves a critical balance between treating low sodium levels and maintaining seizure control.

Purpose of the Study:

  • To outline the management principles for hyponatraemia induced by ASMs.
  • To highlight factors influencing treatment decisions and available therapeutic options.

Main Methods:

  • Review of clinical guidelines and literature on hyponatraemia management in patients using ASMs.
  • Analysis of factors influencing management choices, including hyponatraemia severity, symptoms, and patient preferences.

Main Results:

  • Exclusion of alternative causes of hyponatraemia is the primary step.
  • Management strategies range from conservative approaches to active sodium correction and ASM regimen adjustments.
  • Antiseizure medications like oxcarbazepine and carbamazepine carry a higher risk of inducing hyponatraemia.

Conclusions:

  • Effective hyponatraemia management necessitates a personalized approach, considering the degree of sodium depletion, clinical presentation, and patient-specific factors.
  • Careful selection of ASMs and consideration of their hyponatraemic potential are crucial for optimizing patient outcomes.