Fildena 120 is an excellent medicine for the treatment of erectile dysfunction, often known as sexual impotence or impotence. This medication contains the chemical Sildenafil, which allows men to have stronger, firmer, and longer erections during intercourse. This medication works best when taken 30 minutes or an hour before intercourse. You can take this medication before or after meals. This medication has a 4- to 6-hour duration of action.