A person with erectile dysfunction will find it difficult to achieve or maintain enough erection to have regular sex. It is a condition in which a man faces difficulty stimulating or maintaining an erection. ED is among the most frequent type of sexual dysfunctions in males. In short, ED occurs due to insufficient blood flow through the corpora cavernosa, erectile tissue in the penis. This medicine should be used as advised by your doctor. Strong erection can be achieved by using this drug about 30 to 40 minutes before sex. You can buy fildena 100 from our store.