Memantine vs Ondansetron

## Memantine vs Ondansetron: Overview

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

## Mechanism of Action

**Memantine**: Non-competitive NMDA receptor antagonist.

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

## Pharmacokinetics

**Half-life**: Memantine — 60-80 hours; Ondansetron — 3-5 hours.

## Chemical Properties

**Molecular Formula**: Memantine — C12H21N; Ondansetron — C18H19N3O.

**Molecular Weight**: Memantine — 179.3080 g/mol; Ondansetron — 293.3660 g/mol.

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