Escitalopram vs Paroxetine

## Escitalopram vs Paroxetine: Overview

This comparison examines the pharmacological differences between **Escitalopram** and **Paroxetine**.

## Mechanism of Action

**Escitalopram**: S-enantiomer of citalopram; selective serotonin reuptake inhibitor.

**Paroxetine**: Potent selective serotonin reuptake inhibitor with additional muscarinic and NE reuptake inhibition.

## Pharmacokinetics

**Half-life**: Escitalopram — 27-32 hours; Paroxetine — 21 hours.

## Chemical Properties

**Molecular Formula**: Escitalopram — C20H21FN2O; Paroxetine — C19H20FNO3.

**Molecular Weight**: Escitalopram — 324.3920 g/mol; Paroxetine — 329.3730 g/mol.

**Type**: Escitalopram — Small molecule; Paroxetine — Small molecule.