Health Center

There have been popular interests in why Viagra can’t be taken with nitrates.  It is important to repeat the warning that Viagra and nitrates don’t work well together and should be av...

HIV (human immunodeficiency virus) is a virus that damages your immune system and if left untreated, weakens your ability to fight everyday infections and other diseases.  HIV treatment can stop ...

Viagra is the brand name for a formulation of the active ingredient, sildenafil citrate developed by Pfizer Inc, for the treatment of erectile dysfunction (ED).  A different formulation of silden...

Erectile dysfunction (ED) is an extremely common problem that affects men and intersex individuals of any age.  People with this condition are unable to reach or maintain an erection to take part...

Viagra is the brand name for a formulation of the active ingredient, sildenafil citrate developed by Pfizer Inc, for the treatment of erectile dysfunction (ED).  Sildenafil citrate is also used t...

Sildenafil (Viagra) is now one of the most commonly prescribed drugs in the world. Pfizer generated a revenue of $640 million in 2018 through sales of Viagra. An estimated 16 million people globally a...

Sildenafil, sold as Viagra (or generic brands), is a prescription drug used to treat erectile dysfunction. It works by promoting blood flow to the penis.  

Low levels of nitric oxide in addition to other factors, may contribute to erectile dysfuction.  Nitric oxide helps the muscles of the penis relax, improving blood flow to the penis, and thereby ...