Fildena 100mg is a medication that contains sildenafil citrate, which is used to treat erectile dysfunction (ED) in men. It belongs to a class of medications known as phosphodiesterase type 5 (PDE5) inhibitors. Fildena 100mg works by inhibiting the enzyme PDE5, which helps to relax the smooth muscles in the blood vessels of the penis, allowing increased blood flow. This improved blood circulation helps men achieve and maintain an erection when sexually stimulated. It is important to note that Fildena 100mg should be taken as directed by a healthcare professional and is not intended for recreational use.