Cephalexin vs Pembrolizumab

## Cephalexin vs Pembrolizumab: Overview

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

## Mechanism of Action

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

**Pembrolizumab**: Anti-PD-1 monoclonal antibody restoring anti-tumor immunity.

## Pharmacokinetics

**Half-life**: Cephalexin — 0.5-1.2 hours; Pembrolizumab — 26 days.

## Chemical Properties

**Molecular Formula**: Cephalexin — C16H17N3O4S; Pembrolizumab — N/A.

**Molecular Weight**: Cephalexin — 347.3890 g/mol; Pembrolizumab — N/A.

**Type**: Cephalexin — Small molecule; Pembrolizumab — Antibody.