Are allergic to sildenafil, as contained in Viagra® and Revatio, or any of the substances in Viagra®. See the stop of the leaflet for an entire list of substances in Viagra®. Viagra® and generic Viagra® comprise sildenafil, which is the same medicine present in another drug termed Revatio®. Revatio® is https://kirstenb973iii2.dailyhitblog.com/profile