Since 1998, the U.S. Food and Drug Administration have approved three oral drugs for erectile dysfunction: Sildenafil (Viagra), Vardenafil (Levitra), and Tadalafil (Cialis). Backed by the official administration for approved drugs, these three are...

One problem that most males are afraid of is having erectile dysfunction. What is erectile dysfunction? This is when males could not have an erection, thus preventing them from having sexual intercourse. Erectile dysfunction is also sometimes...

In the contemporary age, the most powerful or even the best drugs for erectile dysfunction on top of most people's mind are phosphodiesterase type 5 inhibitors (PDE5) inhibitors led by the top three in the market - sildenafil, tadalafil, and...