Same Drug Class

Morphine vs Venlafaxine

## Morphine vs Venlafaxine: Overview

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

## Mechanism of Action

**Morphine**: Mu-opioid receptor agonist.

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

## Pharmacokinetics

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

## Chemical Properties

**Molecular Formula**: Morphine — C17H19NO3; Venlafaxine — C17H27NO2.

**Molecular Weight**: Morphine — 285.3380 g/mol; Venlafaxine — 277.4020 g/mol.

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