Tadarise 20 is a generic name, an erectile dysfunction drug based on Tadalafil. Tadarise is available in different strengths. This is in contrast to other Tadalafil drugs that only come in 20mg tablets. The primary purpose of this medication is to provide a strong, long-lasting erection for men who are having difficulty getting or maintaining their erection or who have been diagnosed with impotence. It can be used for up to 36 hours. During that time, many lifts are possible. Sunrise remedies produce tadarise.