Gefitinib vs Venlafaxine

## Gefitinib vs Venlafaxine: Overview

This comparison examines the pharmacological differences between **Gefitinib** and **Venlafaxine**.

## Mechanism of Action

**Gefitinib**: Selective reversible inhibitor of EGFR tyrosine kinase.

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

## Pharmacokinetics

**Half-life**: Gefitinib — 48 hours; Venlafaxine — 5 hours.

## Chemical Properties

**Molecular Formula**: Gefitinib — C22H24ClFN4O3; Venlafaxine — C17H27NO2.

**Molecular Weight**: Gefitinib — 446.9000 g/mol; Venlafaxine — 277.4020 g/mol.

**Type**: Gefitinib — Small molecule; Venlafaxine — Small molecule.