Recreational Use Of An Erectile Dysfunction Drug Can Be Risky For Some

... Although the drugs used to treat Erectile Dysfunction, Sildenafil (Viagra), Tadalafil (Cialis) and Vardenafil (Levitra), have generally been proven safe, recreational use of these drugs is associated with higher risks of sexually-transmitted diseases (STD''s), including HIV. In a study in the current issue of The American Journal of Medicine, researchers from the San Francisco Department of Public Health evaluated 14 studies of Sildenafil use among men who have sex with men (MSM). ...