Fildena 150mg tablet is a popular brand of sildenafil citrate and is a drug that is mainly used for the treatment of erectile dysfunction in men. Erectile dysfunction, commonly known as impotence, is a s*xual disability in which a man cannot get or maintain an erection during s*xual intercourse. Fildena 150mg medication used to treat erectile dysfunction problems in men. It contains an active ingredient that is an FDA-approved drug. It is a fast-acting drug that can last up to four hours. It works to enhance his manhood by giving him erection strength while making love with his partner. Erection failure is a common problem these days faced by almost all adult men.