Time effect window of sildenafil for the treatment of erectile dysfunction

The therapeutic efficacy of sildenafil for the treatment of erectile dysfunction is correlative with the pharmacokinetics of the drug and the tiem of sexual behavior. More and more researches on the time effect window of sildenafil for the treatment of erectile dysfunction have elucidated the least time to achieve sufficent penile hardness for interourse and to reach the best erectile state after the drug administration, as well as the therapeutic effect of the long-term treatment with the drug. Natl J Androl,2005,11(4):317-319