A package containing the deadly narcotic fentanyl confiscated by a U. These medicines all work well for ED. Attorney’s Office, Central District of California SANTA ANA, California — A Fullerton man was arrested this morning after being named in a federal grand jury indictment that accuses him of illegally importing and selling erectile dysfunction drugs that he falsely marketed as herbal supplements for men. These small differences affect the way each medication works, such as how quickly it takes effect and wears off, and the possible side effects. This is likely to lead to dramatic price reductions.Viagra (sildenafil) is a brand-name prescription drug that’s used to treat erectile dysfunction (ED). Learn about side effects, warnings, dosage, and more. [] The Food and Drug Administration is advising consumers not to purchase or use U.S.A Viagra, a product promoted for sexual enhancement. This product was . Some illegal businesses sell fake versions of real medicines, which can be dangerous or might not work. In the United States, the National Association of Boards of Pharmacy .