Bupropion vs Diphenhydramine

## Bupropion vs Diphenhydramine: Overview

This comparison examines the pharmacological differences between **Bupropion** and **Diphenhydramine**.

## Mechanism of Action

**Bupropion**: Norepinephrine-dopamine reuptake inhibitor (NDRI).

**Diphenhydramine**: First-generation H1 antihistamine with anticholinergic properties.

## Pharmacokinetics

**Half-life**: Bupropion — 21 hours; Diphenhydramine — 2-8 hours.

## Chemical Properties

**Molecular Formula**: Bupropion — C13H18ClNO; Diphenhydramine — C17H21NO.

**Molecular Weight**: Bupropion — 239.7420 g/mol; Diphenhydramine — 255.3550 g/mol.

**Type**: Bupropion — Small molecule; Diphenhydramine — Small molecule.