Revatio® is made use of to take care of a rare condition referred to as pulmonary arterial hypertension (PAH). Viagra® and generic Viagra® should not be used with Revatio® or with other PAH methods containing sildenafil or some other PDE5 inhibitors (for example Adcirca [tadalafil])If you are taking sildenafil after you eat a high-fat meal, for