The brand name for the generic version of the erectile dysfunction drug Cialis is tadarise 40mg tadalafil. Tadarise comes in multiple strengths, in contrast to numerous other Tadalafil-based drugs that are only offered as 20 mg pills. The major objective of this medication is to provide a powerful, long-lasting erection to men who usually have trouble getting and maintaining one or who have been diagnosed with impotence. The medication has a 36-hour half-life, during which time several erections that happen naturally may take place. Sunrise Remedies is the producer of Tadarise.