Erlotinib vs Fluoxetine

## Erlotinib vs Fluoxetine: Overview

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

## Mechanism of Action

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

**Fluoxetine**: Selective serotonin reuptake inhibitor (SSRI).

## Pharmacokinetics

**Half-life**: Erlotinib — 36 hours; Fluoxetine — 1-3 days.

## Chemical Properties

**Molecular Formula**: Erlotinib — C22H23N3O4; Fluoxetine — C17H18F3NO.

**Molecular Weight**: Erlotinib — 393.4380 g/mol; Fluoxetine — 309.3260 g/mol.

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