Fildena Double 200 mg is a medication primarily used for the treatment of erectile dysfunction (ED) in men. It contains sildenafil citrate, which belongs to a class of medications called phosphodiesterase type 5 (PDE5) inhibitors.Fildena Double 200 mg contains a higher dosage of sildenafil citrate compared to standard doses like 25 mg, 50 mg, or 100 mg. This higher dosage is intended for individuals who may require a stronger effect to achieve and maintain an erection.Sildenafil citrate works by inhibiting the enzyme phosphodiesterase type 5 (PDE5), which regulates blood flow in the *****. By blocking PDE5, sildenafil helps to relax the blood vessels in the *****, allowing for increased blood flow and facilitating an erection when *****ly stimulated.