Tadarise 5 is used in men for sexual problems such as erectile dysfunction. This is a condition in which the male does not ejaculate during sexual arousal. The ingredient in this drug, Tadalafil, works by dilating blood vessels and increasing blood flow to the penis. Increased blood flow maintains the erection during sexual arousal. Take this pill with a glass of water at least 30 minutes before sex. It can be taken with or without food. If this medicine is used before a meal, its effect is seen more quickly.