Untreated prostate cancer can sometimes cause erectile dysfunction (ED). However, ED is more commonly associated with ...

Background This multicenter, randomized, double-blind, double-dummy, placebo-controlled trial primarily evaluated the efficacy of tadalafil once-daily (OaD) or on-demand ("pro-re-nata"; PRN ...

With or without the use of oral phosphodiesterase-5 inhibitors. BNS: Bilateral nerve sparing; ED: Erectile dysfunction; IIEF: International Index of Erectile Function; postop: Postoperative ...

If this medication contains a substance or requires an administration method that is on the List of Prohibited Substances and Methods (List), you may apply for a Therapeutic Use Exemption (TUE). A TUE ...

It was the first drug approved for the use of ED, a condition that affects roughly one in four males in the United States. Viagra usually lasts for around four hours, although the effect may be longer ...