LITTLE KNOWN FACTS ABOUT SUPER TRI INJECRION.

Phentolamine belongs to The category of medication often known as alpha-adrenoceptor antagonists; they block the effects of epinephrine and norepinephrine around the alpha receptors from the human system. In the corpus cavernosum in the penis, norepinephrine and epinephrine trigger vasoconstriction in the vessels, resulting in penile detumescence.W