Fildena 100 and twenty is a drug used to deal with erectile dysfunction (ED) in men. It is a high-strength model of Fildena, with 200mg of Sildenafil Citrate, the important ingredient.Sildenafil Citrate is a phosphodiesterase kind 5 (PDE5) inhibitor. It works with the aid of enhancing blood drift to the penis, which helps a man get and maintain an erection throughout sexual stimulation. By blocking off the PDE5 enzyme, Sildenafil Citrate helps loosen up the easy muscular tissues in the blood vessels of the penis, Fildena 100 mg which improves blood flow.