A SECRET WEAPON FOR SUPER TRI INJECRION

Phentolamine belongs to the class of prescription drugs often known as alpha-adrenoceptor antagonists; they block the results of epinephrine and norepinephrine about the alpha receptors while in the human body. In the corpus cavernosum of your penis, norepinephrine and epinephrine cause vasoconstriction with the vessels, resulting in penile detumes