Ranitidine vs Venlafaxine

## Ranitidine vs Venlafaxine: Overview

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

## Mechanism of Action

**Ranitidine**: Competitive H2 receptor antagonist.

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

## Pharmacokinetics

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

## Chemical Properties

**Molecular Formula**: Ranitidine — C13H22N4O3S; Venlafaxine — C17H27NO2.

**Molecular Weight**: Ranitidine — 314.4050 g/mol; Venlafaxine — 277.4020 g/mol.

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