Erectile dysfunction is a very serious problem that occurs in men between the ages of 18 and 65. This problem has a side effect on men's sex life. The best and most effective treatment is tadalista 40mg. The drug contains tadalafil as the active ingredient. This drug increases blood flow to the penis in men and helps to achieve a strong erection. This drug has been shown to be more effective if taken sexually stimulated by men 30 minutes before sexual activity. This drug is also known as another weekend pill. This drug lasts longer than other drugs.