Fildena is a brand of medication that contains sildenafil citrate as its active ingredient. Sildenafil is a potent and selective inhibitor of phosphodiesterase type 5 (PDE-5), an enzyme that degrades cyclic guanosine monophosphate (cGMP), a molecule that is important for regulating blood flow to the penis. By inhibiting PDE-5, sildenafil increases Fildena Tablets levels, which in turn relaxes the smooth muscle in the blood vessels of the penis, allowing for increased blood flow and producing an erection.
