Fentanyl vs Ranitidine

## Fentanyl vs Ranitidine: Overview

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

## Mechanism of Action

**Fentanyl**: Highly potent synthetic mu-opioid receptor agonist approximately 100 times more potent than morphine.

**Ranitidine**: Competitive H2 receptor antagonist.

## Pharmacokinetics

**Half-life**: Fentanyl — 2-4 hours; Ranitidine — 2-3 hours.

## Chemical Properties

**Molecular Formula**: Fentanyl — C22H28N2O; Ranitidine — C13H22N4O3S.

**Molecular Weight**: Fentanyl — 336.4700 g/mol; Ranitidine — 314.4050 g/mol.

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