Aspirin vs Venlafaxine

## Aspirin vs Venlafaxine: Overview

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

## Mechanism of Action

**Aspirin**: Irreversibly inhibits cyclooxygenase-1 and -2.

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

## Pharmacokinetics

**Half-life**: Aspirin — 2-3 hours; Venlafaxine — 5 hours.

## Chemical Properties

**Molecular Formula**: Aspirin — C9H8O4; Venlafaxine — C17H27NO2.

**Molecular Weight**: Aspirin — 180.1580 g/mol; Venlafaxine — 277.4020 g/mol.

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