No, it’s not Harmless to get an eighty-mg dose of Cialis. The most advisable day-to-day dosage of Cialis is 20 mg every day if you are taking it as necessary for ED. If you take Cialis each day, the maximum dosage is 5 mg per day.No dose adjustment is warranted. The decreased exposure of tadalafil Along with the coadministration of rifampin or ot