No, it’s not Safe and sound to get an eighty-mg dose of Cialis. The utmost suggested day-to-day dosage of Cialis is 20 mg daily if you take it as required for ED. If you're taking Cialis every day, the maximum dosage is 5 mg every day.an erection that will not disappear (priapism). When you have an erection that lasts in excess of 4 hours, get pr