Ondansetron vs Pregabalin

## Ondansetron vs Pregabalin: Overview

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

## Mechanism of Action

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

**Pregabalin**: Binds alpha-2-delta subunit of voltage-gated calcium channels.

## Pharmacokinetics

**Half-life**: Ondansetron — 3-5 hours; Pregabalin — 6.3 hours.

## Chemical Properties

**Molecular Formula**: Ondansetron — C18H19N3O; Pregabalin — C8H17NO2.

**Molecular Weight**: Ondansetron — 293.3660 g/mol; Pregabalin — 159.2260 g/mol.

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