Topiramate vs Valproic Acid

## Topiramate vs Valproic Acid: Overview

This comparison examines the pharmacological differences between **Topiramate** and **Valproic Acid**.

## Mechanism of Action

**Topiramate**: Multiple mechanisms: Na+ channel block, GABA enhancement, glutamate inhibition.

**Valproic Acid**: Enhances GABA transmission and blocks sodium/calcium channels.

## Pharmacokinetics

**Half-life**: Topiramate — 21 hours; Valproic Acid — 9-16 hours.

## Chemical Properties

**Molecular Formula**: Topiramate — C12H21NO8S; Valproic Acid — C8H16O2.

**Molecular Weight**: Topiramate — 339.3630 g/mol; Valproic Acid — 144.2110 g/mol.

**Type**: Topiramate — Small molecule; Valproic Acid — Small molecule.