Fildena 100 is a medication used to treat impotence and erectile dysfunction in males. Sildenafil is one of the ingredients of this drug. This medication should only be taken by men over the age of 18. This medication helps men get a powerful erection during intercourse. You can take this tablet before or after a meal. You can use this medication as prescribed by your doctor. You should avoid eating fatty foods or drinking cold beverages while taking these pills since they reduce the medication's effectiveness. This medication's effects last 4 to 6 hours.