Current Ward County, Texas Population, Demographics and stats in 2016, 2017.
Many people considering taking CialisÂ® (tadalafil) wonder, How long does Cialis last?. The answer depends on a number of factors and will vary between individuals. However, in most people, Cialis will last for about 36 hours.
1 Cialis is effective for up to 36 hours. 2  Renal dysfunction: 3  Creatinine clearance 30 to 50 ml/min: The recommended starting dose is 5 mg no more than once daily, and the maximum dose is 10 mg every 48 hours. 4  Creatinine clearance less than 30 ml/min or on hemodialysis: The maximum dose is 5 mg every 72 hours.