Sildenafil citrate is found as the active ingredient in Fildena Professional 100 tablets. The problem of erectile dysfunction occurs in men during sexual intercourse. The effect of this drug lasts for 4 to 6 hours. And if the effect of this medicine is more than that, seek the help of a doctor immediately. Take this medicine only once in 24 hours. If you buy fildena professional 100 tablet from our site ifildena.com you will get this medicine at cheap price.