There is no doubt that Fildena double 200 pills is one of the best ways to treat impotence and erectile dysfunction. This drug, which is generic Viagra, is also known as Fildena double 200 mg and black Viagra pill. There is a drug called Fildena double 200 mg that can help you get and keep an erection for longer. The 200 mg amount of Fildena Double is one of the most effective ways to treat erectile dysfunction and male impotence. What doctors usually tell people to take is Sildenafil Citrate, which is the main ingredient in Fildena Doubles 200 mg. The most Sildenafil Citrate, 200 mg, is found in Fildena double 200 mg, making it the most concentrated.