Most men experience erectile dysfunction at some point in their lives. Men are unable to obtain sexual erections in order to cure this condition. Fildena 100 should be used to treat this issue. The active ingredient in this medication is Sildenafil. You should not drink alcohol while taking this medication. This medication has a 4-5 hour effect. This medication is taken 30 to 45 minutes before the procedure. It is necessary to consult a doctor before taking Fildena 100 medication.