ORIGINAL RESEARCH-COUPLES' SEXUAL DYSFUNCTIONS: Impact on Erectile Function and Sexual Quality of Life of Couples: A Double-Blind, Randomized, Placebo-Controlled Trial of Tadalafil Taken Once Daily

Tadalafil 5 mg once daily significantly improved EF and sexual quality of life for men with ED. In addition, the sexual quality of life of the female partners of the men treated with tadalafil was significantly improved. Rubio-Aurioles E, Kim ED, Rosen RC, Porst H, Burns P, Zeigler H, and Wong DG. Impact on erectile function and sexual quality of life of couples: a double-blind, randomized, placebo-controlled trial of tadalafil taken once daily. J Sex Med 2009;6:1314-1323.