Donepezil vs Phenytoin

## Donepezil vs Phenytoin: Overview

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

## Mechanism of Action

**Donepezil**: Reversible acetylcholinesterase inhibitor.

**Phenytoin**: Sodium channel blocker stabilizing inactive state.

## Pharmacokinetics

**Half-life**: Donepezil — 70 hours; Phenytoin — 22 hours.

## Chemical Properties

**Molecular Formula**: Donepezil — C24H29NO3; Phenytoin — C15H12N2O2.

**Molecular Weight**: Donepezil — 379.4920 g/mol; Phenytoin — 252.2680 g/mol.

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