Cephalexin vs Rabeprazole

## Cephalexin vs Rabeprazole: Overview

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

## Mechanism of Action

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

**Rabeprazole**: Proton pump inhibitor irreversibly inhibiting gastric H+/K+-ATPase with faster onset than omeprazole.

## Pharmacokinetics

**Half-life**: Cephalexin — 0.5-1.2 hours; Rabeprazole — 1-2 hours.

## Chemical Properties

**Molecular Formula**: Cephalexin — C16H17N3O4S; Rabeprazole — C18H21N3O3S.

**Molecular Weight**: Cephalexin — 347.3890 g/mol; Rabeprazole — 359.4440 g/mol.

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