Fildena 100 is used to treat erectile dysfunction in men (erectile dysfunction, a condition in which an erection cannot be achieved or maintained). Fildena 100 Purple is used for treating erectile dysfunction or impotence (a condition in which an erection cannot be achieved or maintained) in men. Sildenafil 100 mg is used to increase physical activity in adults with pulmonary arterial hypertension (PAH; a cause of high blood pressure, dizziness, shortness of breath and fatigue of the blood vesse...