Aspirin vs Cephalexin

## Aspirin vs Cephalexin: Overview

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

## Mechanism of Action

**Aspirin**: Irreversibly inhibits cyclooxygenase-1 and -2.

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

## Pharmacokinetics

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

## Chemical Properties

**Molecular Formula**: Aspirin — C9H8O4; Cephalexin — C16H17N3O4S.

**Molecular Weight**: Aspirin — 180.1580 g/mol; Cephalexin — 347.3890 g/mol.

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