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The History of Levitra
The development of the impotence prescription drug Levitra came about to
challenge the monopoly enjoyed by Pfizer, the makers of Viagra. For years
the prescription drug company, Pfizer, capitalized on being the
only drug company that could distribute a drug for the treatment of erectile dysfunction.
Literally billions of dollars have been made with
this drug.
Bayer Pharmaceuticals Corp. developed Vardenafil HCl (Levitra) to enter
the erectile dysfunction drug market. In order to compete with
Viagra it was going to be necessary to offer a drug with distinct
advantages. The primary advantage Levitra has over Viaga is that men take
Levitra without regard to meals, making it more convenient to use.
Levitra is the second ED drug to be FDA approved. Cialis
is the third. Expect a fourth one to enter the market that will
function on a totally different mechanism. This fourth one may
actually help female sexual dysfunction.