Donepezil vs Memantine

## Donepezil vs Memantine: Overview

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

## Mechanism of Action

**Donepezil**: Reversible acetylcholinesterase inhibitor.

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

## Pharmacokinetics

**Half-life**: Donepezil — 70 hours; Memantine — 60-80 hours.

## Chemical Properties

**Molecular Formula**: Donepezil — C24H29NO3; Memantine — C12H21N.

**Molecular Weight**: Donepezil — 379.4920 g/mol; Memantine — 179.3080 g/mol.

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