Slidenafil is commonly known as generic viagra. It was first researched for Hypertension and some common heart diseases. These research’s had eventually developed into the evolution of VIAGRA which is also known as blue pill vitamin v and many other familiar names. It is the world’s first oral drug for male. Its chemical name is Slidenafil citrate. It regulates an enzyme that regulates blood flow to penis. This medicine comes in the category of the group of phospherdiesterase-5(PDH-5). Pfizer is the company that has developed and markets this product. Generic Viagra’s close competitor is generic cialis and levirate.

Generic cialis is also known as Tadalis. It also comes in the category of PDE-5 inhibitors. Generic viagra and generic cialis are the prime medicines used in the treatment of erectile dysfunction and pulmonary hypertension. In the year 2000 generic viagra accounted for 92% of the sales for the treatment of erectile dysfunction. This statistics shows that Generic Viagra is the most prescribed drug for the erectile dysfunction. But in 2007 the report has shows that Generic Viagra has come down to 50% due to the primary reason for the loss of vision when taken PDE-5 INHIBITORS in the world. The viagra online purchase can also be made.