THE SUPER TRI INJECRION DIARIES

Phentolamine belongs to The category of medications generally known as alpha-adrenoceptor antagonists; they block the effects of epinephrine and norepinephrine over the alpha receptors within the human entire body. Within the corpus cavernosum of the penis, norepinephrine and epinephrine cause vasoconstriction of the vessels, leading to penile detu