Doxycycline vs Ranitidine

## Doxycycline vs Ranitidine: Overview

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

## Mechanism of Action

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

**Ranitidine**: Competitive H2 receptor antagonist.

## Pharmacokinetics

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

## Chemical Properties

**Molecular Formula**: Doxycycline — C22H24N2O8; Ranitidine — C13H22N4O3S.

**Molecular Weight**: Doxycycline — 444.4350 g/mol; Ranitidine — 314.4050 g/mol.

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