Male impotence and erection problems are treated with Tadarise 40 Mg. One ingredient in this drug, tadalafil, increases blood flow to the penile tissues of men, allowing them to have sex for longer. Half an hour before engaging in sexual activity, take this medication. You can take this medication before or after meals. Only men who are at least eighteen years old may take this drug. Avoid taking this medication too frequently because it has a 36-hour half-life. You should take this medication as directed by your doctor.