Is Revatio (Sildenafil) used for E-D? how long before sex do you take it?

How long does it take to work

No, the product Revatio is not indicated for treatment of erectile dysfunction. Although it contains sildenafil, (which is in Viagra, used for erectile dysfunction), Revatio is used to treat pulmonary arterial hypertension and improve exercise capacity in men and women.

Do not take Viagra while also taking Revatio, unless your doctor tells you to.

https://www.drugs.com/revatio.html