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.