SUPER TRI INJECRION FOR DUMMIES

Phentolamine belongs to The category of medicines often called alpha-adrenoceptor antagonists; they block the results of epinephrine and norepinephrine on the alpha receptors while in the human human body. While in the corpus cavernosum of your penis, norepinephrine and epinephrine induce vasoconstriction in the vessels, causing penile detumescence