Fildena Double 200 mg is a higher-strength medication used to treat erectile dysfunction (ED) in men. Like other Fildena products, it contains sildenafil citrate as its active ingredient. Sildenafil citrate is a phosphodiesterase type 5 (PDE5) inhibitor, and it works by increasing blood flow to the penis, aiding in the achievement and maintenance of an erection during sexual stimulation. https://www.flatmeds.com/product/fildena-double-200-mg/