LITTLE KNOWN FACTS ABOUT VIAGRA.

are allergic to sildenafil, as contained in Viagra® and Revatio, or any on the ingredients in Viagra®. See the close of this leaflet for a whole listing of components in Viagra®.Viagra is so common that its name has become synonymous with ED cure �?similar to Ziploc has with plastic bags. Nevertheless the active component in Viagra is sildenaf