Editing Sildenafil (section)

==Route of administration==
* When taken [[Oral administration|orally]], sildenafil for erectile dysfunction results in an average time to onset of erections of 27 minutes (ranging from 12 to 70 minutes).<ref>{{cite journal | vauthors = Eardley I, Ellis P, Boolell M, Wulff M | title = Onset and duration of action of sildenafil for the treatment of erectile dysfunction | journal = British Journal of Clinical Pharmacology | volume = 53 | issue = Suppl 1 | pages = 61S–65S | year = 2002 | pmid = 11879261 | pmc = 1874251 | doi = 10.1046/j.0306-5251.2001.00034.x }}</ref>
* [[Sublingual administration|Sublingual]] use of sildenafil for erectile dysfunction results in an average onset of action of 15 minutes and lasting for an average of 40 minutes.<ref name=sublingual>{{cite journal | vauthors = Deveci S, Peşkircioğlu L, Aygün C, Tekin MI, Dirim A, Ozkardeş H | title = Sublingual sildenafil in the treatment of erectile dysfunction: faster onset of action with less dose | journal = International Journal of Urology | volume = 11 | issue = 11 | pages = 989–92 | date = November 2004 | pmid = 15509203 | doi = 10.1111/j.1442-2042.2004.00933.x | s2cid = 28302024 | doi-access = }}</ref>
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