how long does it take for cialis to get out of your system
15 Dec 2010. The mean terminal half-life of Cialis is 17.5 hours in healthy subjects. It takes 5.5 x elimination half lifes for a medicine to be cleared from ones system... so Cialis will be cleared in approximately 96.25 hours i.e. approximately 4 days (5.5 x 17.5 hours). https://www.drugs.com/pro/cialis.html.