Donepezil vs Venlafaxine
## Donepezil vs Venlafaxine: Overview
This comparison examines the pharmacological differences between **Donepezil** and **Venlafaxine**.
## Mechanism of Action
**Donepezil**: Reversible acetylcholinesterase inhibitor.
**Venlafaxine**: Serotonin-norepinephrine reuptake inhibitor (SNRI).
## Pharmacokinetics
**Half-life**: Donepezil — 70 hours; Venlafaxine — 5 hours.
## Chemical Properties
**Molecular Formula**: Donepezil — C24H29NO3; Venlafaxine — C17H27NO2.
**Molecular Weight**: Donepezil — 379.4920 g/mol; Venlafaxine — 277.4020 g/mol.
**Type**: Donepezil — Small molecule; Venlafaxine — Small molecule.