Vidalista 20mg is a PDE5 enzyme that is typically the cause of erectile dysfunction. PDE5 blocks cyclic guanosine monophosphate (cGMP), a neurochemical that tries to assist you in achieving a satisfying erection, causing you to lose it.   An erection loss results from a lack of blood flow in the penis when PDE5 interrupts the cGMP. You need these medications for this.   PDE5...