Bupropion vs Varenicline

## Bupropion vs Varenicline: Overview

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

## Mechanism of Action

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

## Pharmacokinetics

**Half-life**: Bupropion — 21 hours; Varenicline — N/A.

## Chemical Properties

**Molecular Formula**: Bupropion — C13H18ClNO; Varenicline — N/A.

**Molecular Weight**: Bupropion — 239.7420 g/mol; Varenicline — N/A.

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