If you're looking for a quick solution to erectile dysfunction, Fildena 120 can be the best choice. Sildenafil citrate, a PDE5 inhibitor, is an ingredient in this medication. The main purpose of this PDE5 inhibitor is to prevent the breakdown of cGMP, the hormone that causes smooth muscle contractions.  As a result, more blood can enter the penis and result in an erection when the muscles...