Fildena 100 is a medication used to treat erectile dysfunction in men. Only men who are at least eighteen years old can use this medication. This medication is a very helpful and effective treatment for impotence. Sildenafil, an ingredient in this medication, aids in giving men a powerful erection during sexual activity. Take this medication an hour before sexual activity. Use this medication just once every 24 hours. Alcohol and fatty foods should not be consumed with this medication since they will lessen its effectiveness. As prescribed by your physician, you should take this medication.