Tadalafil and Sildenafil could work very well, but they have some significant differences that might determine the most suited option for you. Tell yourself the most important information about two commonly prescribed erectile dysfunction treatments. Price, effects, and side effects are all critical factors in choosing one or more drug options. Please read on; you will have more information to make the right choice. Tadalafil and Sildenafil can cause side effects. Please read more about them here below.