Escitalopram vs Ondansetron

## Escitalopram vs Ondansetron: Overview

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

## Mechanism of Action

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

**Ondansetron**: Selective 5-HT3 receptor antagonist.

## Pharmacokinetics

**Half-life**: Escitalopram — 27-32 hours; Ondansetron — 3-5 hours.

## Chemical Properties

**Molecular Formula**: Escitalopram — C20H21FN2O; Ondansetron — C18H19N3O.

**Molecular Weight**: Escitalopram — 324.3920 g/mol; Ondansetron — 293.3660 g/mol.

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