Tadarise is the only medication approved to treat erection problems for as long as 36 hours. Tadarise 20 mg can treat mild, moderate, and severe erection problems. It can be taken with or without food, so it is easy to use Tadarise 20mg as a part of daily life. Tadarise 20 used to relax the strength of the blood vessels and increases blood flow to specific areas of the body.