Montelukast vs Valproic Acid

## Montelukast vs Valproic Acid: Overview

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

## Mechanism of Action

**Montelukast**: Selective leukotriene D4 receptor antagonist.

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

## Pharmacokinetics

**Half-life**: Montelukast — 2.7-5.5 hours; Valproic Acid — 9-16 hours.

## Chemical Properties

**Molecular Formula**: Montelukast — C35H36ClNO3S; Valproic Acid — C8H16O2.

**Molecular Weight**: Montelukast — 586.1800 g/mol; Valproic Acid — 144.2110 g/mol.

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