Fildena Double 200 mg is used to treat male impotence and erectile dysfunction. One of the ingredients in these pills is sildenafil. These pills should only be taken by men who are at least eighteen years old. One of the ingredients in these pills, sildenafil, helps men achieve a strong erection during intercourse. Take these pills an hour before having sex. These pills can be taken with water. The effectiveness of these pills will be diminished if you consume cold beverages or fatty foods while taking them.