Cephalexin vs Metoprolol

## Cephalexin vs Metoprolol: Overview

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

## Mechanism of Action

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

**Metoprolol**: Selective beta-1 adrenergic receptor blocker.

## Pharmacokinetics

**Half-life**: Cephalexin — 0.5-1.2 hours; Metoprolol — 3-7 hours.

## Chemical Properties

**Molecular Formula**: Cephalexin — C16H17N3O4S; Metoprolol — C15H25NO3.

**Molecular Weight**: Cephalexin — 347.3890 g/mol; Metoprolol — 267.3640 g/mol.

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