Fildena Double 200 is a medication used for the treatment of erectile dysfunction (ED) in men. It contains Sildenafil Citrate as its active ingredient, which works by increasing blood flow to the penis, helping to achieve and maintain an erection during sexual stimulation. It's important to note that Fildena Double 200 is a high-dose medication, containing 200mg of Sildenafil Citrate. It is typically prescribed for individuals with severe ED who may not have had a satisfactory response to lower doses of Sildenafil.