Tadalista CT 20 mg is used to treat erectile dysfunction (ED) in men. Erectile dysfunction is a major problem that men face not only in their life but also at a young age. It is frustrating and a major obstacle to maintaining a healthy relationship. This is a strong drug that helps men overcome their problems and can give a strong and hard erection that lasts up to 4 hours. The effect of a single dose lasts for about 36 hours. It is not recommended to take more than 1 medicine per day.