Donepezil vs Ranitidine

## Donepezil vs Ranitidine: Overview

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

## Mechanism of Action

**Donepezil**: Reversible acetylcholinesterase inhibitor.

**Ranitidine**: Competitive H2 receptor antagonist.

## Pharmacokinetics

**Half-life**: Donepezil — 70 hours; Ranitidine — 2-3 hours.

## Chemical Properties

**Molecular Formula**: Donepezil — C24H29NO3; Ranitidine — C13H22N4O3S.

**Molecular Weight**: Donepezil — 379.4920 g/mol; Ranitidine — 314.4050 g/mol.

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