Phenytoin Sodium vs Valproic Acid

## Phenytoin Sodium vs Valproic Acid: Overview

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

## Mechanism of Action

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

## Pharmacokinetics

**Half-life**: Phenytoin Sodium — N/A; Valproic Acid — 9-16 hours.

## Chemical Properties

**Molecular Formula**: Phenytoin Sodium — N/A; Valproic Acid — C8H16O2.

**Molecular Weight**: Phenytoin Sodium — N/A; Valproic Acid — 144.2110 g/mol.

**Type**: Phenytoin Sodium — Small molecule; Valproic Acid — Small molecule.