SUPER TRI INJECRION NO FURTHER A MYSTERY

Phentolamine belongs to the class of prescription drugs called alpha-adrenoceptor antagonists; they block the results of epinephrine and norepinephrine to the alpha receptors during the human system. Inside the corpus cavernosum in the penis, norepinephrine and epinephrine trigger vasoconstriction with the vessels, resulting in penile detumescence.