Fildena Professional 100mg for the treatment of male impotence or erectile dysfunction. ED is a very common problem all over the world. Do you know how many American men are experiencing ED? More than 30 million men have erectile dysfunction in the United States, though not 10 million, not 20 million. Premature ejaculation problems are caused by a busy life schedule, physical health, overweight, tobacco use, or other medical conditions.