Sildenafil citrate, the active ingredient in Fildena super active, is used to treat pulmonary hypertension and erectile dysfunction. Sildenafil Citrate is one of the drugs in the PDE5 inhibitor class. Fortune Healthcare Private Limited manufactures Fildena Super Active. Fildena Super Active mg should only be taken by men who have erectile dysfunction. A sexual dysfunction impairs a man’s ability to sustain an erection. The fundamental cause of ED is improper blood flow via the erectile tissue to the membrem virile. Furthermore, erectile dysfunction can be caused by any problem that causes insufficient blood flow through the penis.