Doxycycline vs Vancomycin

## Doxycycline vs Vancomycin: Overview

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

## Mechanism of Action

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

**Vancomycin**: Glycopeptide antibiotic inhibiting cell wall synthesis by binding D-Ala-D-Ala terminus of peptidoglycan precursors.

## Pharmacokinetics

**Half-life**: Doxycycline — 18-22 hours; Vancomycin — 4-6 hours.

## Chemical Properties

**Molecular Formula**: Doxycycline — C22H24N2O8; Vancomycin — C66H75Cl2N9O24.

**Molecular Weight**: Doxycycline — 444.4350 g/mol; Vancomycin — 1449.2500 g/mol.

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