Montelukast vs Phenytoin

## Montelukast vs Phenytoin: Overview

This comparison examines the pharmacological differences between **Montelukast** and **Phenytoin**.

## Mechanism of Action

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

**Phenytoin**: Sodium channel blocker stabilizing inactive state.

## Pharmacokinetics

**Half-life**: Montelukast — 2.7-5.5 hours; Phenytoin — 22 hours.

## Chemical Properties

**Molecular Formula**: Montelukast — C35H36ClNO3S; Phenytoin — C15H12N2O2.

**Molecular Weight**: Montelukast — 586.1800 g/mol; Phenytoin — 252.2680 g/mol.

**Type**: Montelukast — Small molecule; Phenytoin — Small molecule.