Cephalexin vs Montelukast

## Cephalexin vs Montelukast: Overview

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

## Mechanism of Action

**Cephalexin**: First-generation cephalosporin inhibiting cell wall synthesis.

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

## Pharmacokinetics

**Half-life**: Cephalexin — 0.5-1.2 hours; Montelukast — 2.7-5.5 hours.

## Chemical Properties

**Molecular Formula**: Cephalexin — C16H17N3O4S; Montelukast — C35H36ClNO3S.

**Molecular Weight**: Cephalexin — 347.3890 g/mol; Montelukast — 586.1800 g/mol.

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