These medications work by blocking the enzyme known as PDE5, which breaks down the chemicals that create erectile action. PDE5 preventions work by relaxing smooth muscle mass tissue in the capillary of the penis allowing their dilation and also increasing blood supply to the corpus cavernosum, thus permitting the penile shaft to engorge and remain company for a longer period. 팔팔정 But unlike the popular point of view, these drugs do not directly produce an erection in the penis, rather needing sexual stimulation to function. Nonetheless, it does enhance the level of sensitivity of the male sex-related body organ.