What is Sildenafil?
[[File: Sildenafil.svg|thumb|230px|Viagra structure]] [[File: Sildenafil-from-xtal-3D-balls.png|thumb|230px|ball & stick model]] '''Sildenafil''' is an [[aphrodisiac]]. It is a medication that is also called '''Viagra''', '''Revatio''' and (in the [[Indian subcontinent]]) '''Caverta'''. Sildenafil makes the [[blood vessel]]s become wider. This lowers the [[blood pressure]]. Sildenafil mostly works in the [[penis]] and in the [[lung]]s. This medicine increases [[blood]] flow to the penis. This helps the penis become [[Erection|erect]] during [[sexual intercourse]].<ref>{{cite web | title=Erectile Dysfunction - Treatment|author=eMedicine | url=http://emedicine.medscape.com/article/444220-treatment | accessdate=26 February 2010}}</ref> Sildenafil also helps [[pulmonary hypertension]]. Because this medicine makes the blood vessels wider, it makes it easier for blood to flow. Sildenafil was patented in [[1996]] and first made to sell in [[1998]]. ==Related pages== * [[Adverse effect (medicine)|Adverse effect]] * [[Statin]] and [[Beta blocker]] * [[Thebaine]] == References == <references/> {{-}} {{Piperazines}} {{med-stub}} [[Category:Human sexuality]] [[Category:Drugs]]