Doxycycline vs Rabeprazole

## Doxycycline vs Rabeprazole: Overview

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

## Mechanism of Action

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

**Rabeprazole**: Proton pump inhibitor irreversibly inhibiting gastric H+/K+-ATPase with faster onset than omeprazole.

## Pharmacokinetics

**Half-life**: Doxycycline — 18-22 hours; Rabeprazole — 1-2 hours.

## Chemical Properties

**Molecular Formula**: Doxycycline — C22H24N2O8; Rabeprazole — C18H21N3O3S.

**Molecular Weight**: Doxycycline — 444.4350 g/mol; Rabeprazole — 359.4440 g/mol.

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