Fluoxetine vs Venlafaxine

## Fluoxetine vs Venlafaxine: Overview

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

## Mechanism of Action

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

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

## Pharmacokinetics

**Half-life**: Fluoxetine — 1-3 days; Venlafaxine — 5 hours.

## Chemical Properties

**Molecular Formula**: Fluoxetine — C17H18F3NO; Venlafaxine — C17H27NO2.

**Molecular Weight**: Fluoxetine — 309.3260 g/mol; Venlafaxine — 277.4020 g/mol.

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