Citalopram vs Doxycycline

## Citalopram vs Doxycycline: Overview

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

## Mechanism of Action

**Citalopram**: Selective serotonin reuptake inhibitor (SSRI); racemic mixture with escitalopram as active S-enantiomer.

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

## Pharmacokinetics

**Half-life**: Citalopram — 35 hours; Doxycycline — 18-22 hours.

## Chemical Properties

**Molecular Formula**: Citalopram — C20H21FN2O; Doxycycline — C22H24N2O8.

**Molecular Weight**: Citalopram — 324.3920 g/mol; Doxycycline — 444.4350 g/mol.

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