When therapy for BPH is initiated with CIALIS and finasteride, the advisable dose of CIALIS for at the time each day use is five mg, taken at somewhere around a similar time each day for as many as 26 weeks.Il tadalafil può inibire debolmente anche la fosfodiesterasi di tipo 6 (PDE6; seven-hundred volte meno potente sulla PDE6 rispetto alla PDE5)