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Small concentrations of it dissolved in a vase of water can double the shelf life of cut flowers, researchers have found. The droop-delaying substance is sildenafil, sold under the brand name Viagra - ...

Washington, DC - The FDA gave approval yesterday to vardenafil (Levitra ®, Bayer and Glaxo Smith Kline), an oral erectile-dysfunction drug that works through the same mechanism as sildenafil (Viagra ® ...

Auckland, 10 October 2003 – 62% of men reported improved erections in the first clinical study to evaluate Levitra™ (vardenafil) for men who were unresponsive to treatment with sildenafil by history ...

WASHINGTON -- The government approved sale of a second pill to treat erectile dysfunction Tuesday, setting the stage for a fierce battle with Viagra in the billion-dollar-plus impotence market. The ...

Phosphodiesterase type 5 inhibitors (PDE5i)—an erectile dysfunction drug sold under the names Viagra, Levitra, Cialis, and others—are a common medical treatment for erectile dysfunction (ED) in men ...