tadalista ct 20 tablets are used to treat erectile dysfunction. tadalafil is found in this medicine as an active ingredient. The effect of this drug lasts for 4 to 6 hours. And if the effect of this medicine lasts for more than 6 hours, seek the help of a doctor immediately. Take this medicine orally with water but not with beverages like alcohol as it reduces the effect of this medicine. This in turn increases the side effects of the drug. Seek medical advice before using this medication.