Citalopram vs Levodopa

## Citalopram vs Levodopa: Overview

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

## Mechanism of Action

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

**Levodopa**: Metabolic precursor of dopamine that crosses the BBB.

## Pharmacokinetics

**Half-life**: Citalopram — 35 hours; Levodopa — 1.5 hours.

## Chemical Properties

**Molecular Formula**: Citalopram — C20H21FN2O; Levodopa — C9H11NO4.

**Molecular Weight**: Citalopram — 324.3920 g/mol; Levodopa — 197.1880 g/mol.

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