Morphine vs Ondansetron

## Morphine vs Ondansetron: Overview

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

## Mechanism of Action

**Morphine**: Mu-opioid receptor agonist.

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

## Pharmacokinetics

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

## Chemical Properties

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

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

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