Cialis and Viagra, as well as their generic equivalents, belong to a class of drugs referred to as PDE5 inhibitors. These medications work by inhibiting the actions of an internal enzyme called ...

Erectile dysfunction (ED) is a common condition, and many people find that it is treatable with Viagra — sometimes called the “little blue pill” — and its generic form, sildenafil.

Sildenafil, also known as generic Viagra, is the primary ingredient used in Viagra and works to treat ED symptoms in the same way. While brand-name Viagra is slightly different from sildenafil ...

(Bloomberg) -- Generic versions of erectile dysfunction drugs Viagra and Cialis ... which remain available for sale on pharmacy shelves and in Americans’ medicine cabinets.