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an erection that will not disappear (priapism). When you've got an erection that lasts over four hours, get health-related assist without delay. If It isn't taken care of instantly, priapism can permanently destruction your penis.Il tadalafil può inibire debolmente anche la fosfodiesterasi di tipo 6 (PDE6; 700 volte meno potente sulla PDE6 rispett