Avana 100 mg includes Avanafil, a kind five phosphodiesterase inhibitors. It is used to deal with impotence (impotence) in guys. During sexual stimulation, nitric oxide is launched into the erectile tissue of the penis, activating the enzyme grandly cyclase. This enzyme increases stages of a chemical known as cyclic guanosine monophosphate (cGMP), relaxes blood vessels withinside the penis, fills the erectile cavernous frame with blood, and induces erections.