Assertion: viagra | /r/CapableOf | treat erectile dysfunction
Facets:
Source sentences:
text: Viagra is a popular brand name of the generic medication sildenafil, used to treat erectile dysfunction (ED) or sexual impotence - a condition where men may experience trouble keeping an erection for a satisfying sexual activity.
text: Other PDE5 inhibitors such as sildenafil used to treat erectile dysfunction or pulmonary arterial hypertension (high blood pressure in the blood vessels in the lungs)
text: Viagra and other similar drugs treat erectile dysfunction, when a man can’t get or keep an erection that’s firm enough to have sex.
text: Viagra (sildenafil) and Levitra (vardenafil) are prescription medications used to treat erectile dysfunction and pulmonary arterial hypertension.