Both Fildena vs Viagra Contains Sildenafil Citrate which is the active component. This implies there is no such distinction that could separate them. The one you can see the one distinction is between their measurement. Sildenafil is a generic medication while Viagra is known as the blue pill. The component behind both of the medication is something very similar. You can take any of those for ED. Since for proper physical relationship, you want to possess areas of strength for a power. Thus on the off chance that you miss the mark on one in this way, there will be inconvenience.