Aspirin vs Doxycycline

## Aspirin vs Doxycycline: Overview

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

## Mechanism of Action

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

**Doxycycline**: Inhibits bacterial protein synthesis by binding 30S ribosomal subunit.

## Pharmacokinetics

**Half-life**: Aspirin — 2-3 hours; Doxycycline — 18-22 hours.

## Chemical Properties

**Molecular Formula**: Aspirin — C9H8O4; Doxycycline — C22H24N2O8.

**Molecular Weight**: Aspirin — 180.1580 g/mol; Doxycycline — 444.4350 g/mol.

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