Fildena works by inhibiting the enzyme phosphodiesterase type 5 (PDE5). When sexual arousal occurs, the body releases nitric oxide, which increases levels of cyclic guanosine monophosphate (cGMP). This molecule plays a crucial role in relaxing the blood vessels in the penis, allowing for increased blood flow. However, PDE5 can degrade cGMP, leading to reduced blood flow and difficulty... https://medicovilla.com/product/fildena-50-mg/