A notable use of Filagra FXT, however, would be to treat erectile dysfunction in men and sometimes known cases of pulmonary arterial hypertension. An active ingredient, Sildenafil Citrate leads to longer and better erections in men by boosting blood circulation in the penis. Since the penis is full of blood, it pushes the blood there with tension and keeps the penis erect and hard for a long time. Therefore, focusing on the heart problem cures the problem naturally and effectively. This medicine is recommended only for men aged 18 and above.