Revatio® is applied to treat a exceptional disease termed pulmonary arterial hypertension (PAH). Viagra® and generic Viagra® should not be applied with Revatio® or with other PAH remedies containing sildenafil or any other PDE5 inhibitors (like Adcirca [tadalafil])Thus, the metabolite is chargeable for about twenty% of sildenafil's motion. Sild