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    Viagra: A history of the little blue pill - The Washington Post

    The Viagra jackpot: A history of the little blue pill at 20. The "little blue pill" was approved in 1998 and was the first pill for erectile dysfunction. (Video: The Washington Post) In the annals ...

    Viagra - Encyclopedia.com

    VIAGRA. VIAGRA is the trademarked name for sildenafil citrate, a prescription drug created to counteract impotence by blocking an enzyme called phosphodiesterase 5 (PDE5), which can end erections prematurely. After the U.S. Food and Drug Administration granted approval for Viagra on 27 March 1998, doctors prescribed the drug more than any other medicine in history over a two-year time span.