Revatio and Viagra contain the same active ingredient called sildenafil. However ... Ages 18 and up (suspension or tablet): ...
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.
It’s also possible to be prescribed doses in multiples of 20 mg, including 20 ... Don’t mix sildenafil with other ED drugs, ...