Cephalexin vs Ranitidine

## Cephalexin vs Ranitidine: Overview

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

## Mechanism of Action

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

**Ranitidine**: Competitive H2 receptor antagonist.

## Pharmacokinetics

**Half-life**: Cephalexin — 0.5-1.2 hours; Ranitidine — 2-3 hours.

## Chemical Properties

**Molecular Formula**: Cephalexin — C16H17N3O4S; Ranitidine — C13H22N4O3S.

**Molecular Weight**: Cephalexin — 347.3890 g/mol; Ranitidine — 314.4050 g/mol.

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