Hydromorphone vs Ondansetron

## Hydromorphone vs Ondansetron: Overview

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

## Mechanism of Action

**Hydromorphone**: Semisynthetic mu-opioid receptor agonist approximately 5 times more potent than morphine.

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

## Pharmacokinetics

**Half-life**: Hydromorphone — 2-3 hours; Ondansetron — 3-5 hours.

## Chemical Properties

**Molecular Formula**: Hydromorphone — C17H19NO3; Ondansetron — C18H19N3O.

**Molecular Weight**: Hydromorphone — 285.3380 g/mol; Ondansetron — 293.3660 g/mol.

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