Assertion: viagra's sildenafil | /r/HasProperty | fda-approved prescription drug
Facets:
value: for erectile dysfunction
type: PURPOSE
Source sentences:
text: Sildenafil is an FDA-approved prescription drug for erectile dysfunction.
text: Tadalafil and sildenafil are FDA-Approved drugs used to treat male erectile dysfunction (ED), making the Vicerex and the Black Ant products unapproved new drugs.
text: FDA laboratory analysis confirmed that Big Penis contains sildenafil, the active ingredient in Viagra, an FDA-approved prescription drug for erectile dysfunction.
text: FDA laboratory analysis confirmed that Herb Viagra contains sildenafil, the active ingredient in Viagra, an FDA-approved prescription drug for erectile dysfunction.