No, it’s not Safe and sound to take an eighty-mg dose of Cialis. The utmost recommended day-to-day dosage of Cialis is 20 mg on a daily basis if you take it as required for ED. If you're taking Cialis day by day, the maximum dosage is 5 mg on a daily basis.Tadalafil experienced no major impact on the pharmacokinetics of theophylline.When tadalafi… Read More