Ondansetron vs Trazodone

## Ondansetron vs Trazodone: Overview

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

## Mechanism of Action

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

**Trazodone**: Serotonin antagonist and reuptake inhibitor (SARI).

## Pharmacokinetics

**Half-life**: Ondansetron — 3-5 hours; Trazodone — 5-9 hours.

## Chemical Properties

**Molecular Formula**: Ondansetron — C18H19N3O; Trazodone — C19H22ClN5O.

**Molecular Weight**: Ondansetron — 293.3660 g/mol; Trazodone — 371.8640 g/mol.

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