Doxycycline vs Metoprolol

## Doxycycline vs Metoprolol: Overview

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

## Mechanism of Action

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

**Metoprolol**: Selective beta-1 adrenergic receptor blocker.

## Pharmacokinetics

**Half-life**: Doxycycline — 18-22 hours; Metoprolol — 3-7 hours.

## Chemical Properties

**Molecular Formula**: Doxycycline — C22H24N2O8; Metoprolol — C15H25NO3.

**Molecular Weight**: Doxycycline — 444.4350 g/mol; Metoprolol — 267.3640 g/mol.

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