Duloxetine vs Erlotinib

## Duloxetine vs Erlotinib: Overview

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

## Mechanism of Action

**Duloxetine**: Serotonin-norepinephrine reuptake inhibitor (SNRI).

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

## Pharmacokinetics

**Half-life**: Duloxetine — 12 hours; Erlotinib — 36 hours.

## Chemical Properties

**Molecular Formula**: Duloxetine — C18H19NOS; Erlotinib — C22H23N3O4.

**Molecular Weight**: Duloxetine — 297.4150 g/mol; Erlotinib — 393.4380 g/mol.

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