Oxycodone vs Sildenafil

## Oxycodone vs Sildenafil: Overview

This comparison examines the pharmacological differences between **Oxycodone** and **Sildenafil**.

## Mechanism of Action

**Oxycodone**: Semisynthetic mu-opioid receptor agonist.

**Sildenafil**: Selective PDE5 inhibitor increasing cGMP.

## Pharmacokinetics

**Half-life**: Oxycodone — 3-5 hours; Sildenafil — 4 hours.

## Chemical Properties

**Molecular Formula**: Oxycodone — C18H21NO4; Sildenafil — C22H30N6O4S.

**Molecular Weight**: Oxycodone — 315.3640 g/mol; Sildenafil — 474.5800 g/mol.

**Type**: Oxycodone — Small molecule; Sildenafil — Small molecule.