The active ingredient in Cenforce 120mg and Fildena 100mg is sildenafil citrate, used to treat erectile dysfunction and pulmonary hypertension. This pill is primarily a prescription medication, with different dosages and alternatives available. The age and severity vary from person to person. Therefore, consult with your doctor about the frequency and duration of this condition. Do not take additional doses than the dose prescribed by your doctor. This is not very helpful for women and pediatric residents.