Rivaroxaban vs Sildenafil

## Rivaroxaban vs Sildenafil: Overview

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

## Mechanism of Action

**Rivaroxaban**: Direct Factor Xa inhibitor.

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

## Pharmacokinetics

**Half-life**: Rivaroxaban — 5-9 hours; Sildenafil — 4 hours.

## Chemical Properties

**Molecular Formula**: Rivaroxaban — C19H18ClN3O5S; Sildenafil — C22H30N6O4S.

**Molecular Weight**: Rivaroxaban — 435.8820 g/mol; Sildenafil — 474.5800 g/mol.

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