Revatio and Viagra contain the same active ingredient called sildenafil. However, Revatio is used for pulmonary arterial hypertension (PAH), whereas Viagra is used for erectile dysfunction (ED).

Revatio (sildenafil citrate) – which is based on the same PDE5 inhibitor active ingredient as Pfizer’s Viagra erectile dysfunction drug – failed to show any additional benefit when combined ...

Sildenafil is the generic equivalent of Pfizer’s Revatio, which is indicated for the treatment of pulmonary arterial hypertension in adults, to improve exercise ability and delay clinical worsening.

Sildenafil 10mg/vial ... in adults who are temporarily unable to take oral Revatio. Give by IV bolus injection. Advise patients to seek immediate medical attention for a sudden loss of vision ...