Bupropion vs Erlotinib

## Bupropion vs Erlotinib: Overview

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

## Mechanism of Action

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

**Erlotinib**: Reversible inhibitor of EGFR (HER1) tyrosine kinase, blocking autophosphorylation.

## Pharmacokinetics

**Half-life**: Bupropion — 21 hours; Erlotinib — 36 hours.

## Chemical Properties

**Molecular Formula**: Bupropion — C13H18ClNO; Erlotinib — C22H23N3O4.

**Molecular Weight**: Bupropion — 239.7420 g/mol; Erlotinib — 393.4380 g/mol.

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