Aspirin vs Montelukast

## Aspirin vs Montelukast: Overview

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

## Mechanism of Action

**Aspirin**: Irreversibly inhibits cyclooxygenase-1 and -2.

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

## Pharmacokinetics

**Half-life**: Aspirin — 2-3 hours; Montelukast — 2.7-5.5 hours.

## Chemical Properties

**Molecular Formula**: Aspirin — C9H8O4; Montelukast — C35H36ClNO3S.

**Molecular Weight**: Aspirin — 180.1580 g/mol; Montelukast — 586.1800 g/mol.

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