The drug Tadarise 2.5 is used to treat impotence and erectile dysfunction in men. This medication should only be used by men who are at least eighteen years old. One of the components of this drug, tadalafil, helps to increase blood flow to the tissues of the male penis. In order to enjoy sexual activity with your partner, you take this medication half an hour before engaging in sexual activity. You can take this medication before or after meals. Avoid taking this medication too frequently because it has a 36-hour half-life. When taking this medication, heed your doctor's instructions. This medication should not be taken with fatty meals or cold beverages.