Donepezil vs Doxycycline

## Donepezil vs Doxycycline: Overview

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

## Mechanism of Action

**Donepezil**: Reversible acetylcholinesterase inhibitor.

**Doxycycline**: Inhibits bacterial protein synthesis by binding 30S ribosomal subunit.

## Pharmacokinetics

**Half-life**: Donepezil — 70 hours; Doxycycline — 18-22 hours.

## Chemical Properties

**Molecular Formula**: Donepezil — C24H29NO3; Doxycycline — C22H24N2O8.

**Molecular Weight**: Donepezil — 379.4920 g/mol; Doxycycline — 444.4350 g/mol.

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