In addition to Viagra, Rex MD offers brand-name Cialis and generic Cialis (tadalafil). Both Viagra and sildenafil are available in 25-, 50-, and 100-mg doses. Rex MD has a rating of 4.5 out of 5 ...

In the ‘80s, researchers set out to test a medication called sildenafil citrate for treating high blood pressure and angina ...

Used by millions of men in the United States alone, phosphodiesterase type 5 inhibitors such as tadalafil (the active ingredient in Cialis) and sildenafil (the active ingredient in Viagra ...

Studies of selective phosphodiesterase type 5 inhibitors (sildenafil [Viagra], vardenafil [Levitra], and tadalafil [Cialis]) as therapy for women with sexual arousal disorder have produced mixed ...

PDE5 inhibitors. Cialis is a PDE5 inhibitor, but it’s not the only one sometimes used to help with the symptoms of PE. Other PDE-5 inhibitors, like sildenafil (Viagra) and vardenafil (Levitra ...

The most popular options currently available include Viagra, Levitra, and Cialis. Generic name sildenafil, Viagra exploded onto the market in 1998 as the first highly effective ED drug to win FDA ...

A new study from UAB (University of Alabama at Birmingham) indicates that men with a history of heart attack who use the popular erectile dysfunction medications Viagra (sildenafil) or Cialis ...

Viagra, also known as sildenafil, was originally designed as a heart drug because of its main action - improving blood flow by relaxing or widening blood vessels. Doctors then discovered it was ...