Amoxicillin vs Doxycycline

## Amoxicillin vs Doxycycline: Overview

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

## Mechanism of Action

**Amoxicillin**: Inhibits bacterial cell wall synthesis by binding to PBPs.

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

## Pharmacokinetics

**Half-life**: Amoxicillin — 1-1.5 hours; Doxycycline — 18-22 hours.

## Chemical Properties

**Molecular Formula**: Amoxicillin — C16H19N3O5S; Doxycycline — C22H24N2O8.

**Molecular Weight**: Amoxicillin — 365.4050 g/mol; Doxycycline — 444.4350 g/mol.

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