Vidalista 40 mg is a tablet that is used to treat erectile dysfunction in men. This medicine contains an active ingredient called tadalafil, which increases blood circulation to the penis and relaxes the muscles. This drug should be taken 1 hour before intercourse as it takes some time for the effect to start. You can buy this pill online from the pharmacy and also read these Medicine reviews for happy and satisfying sex life. This drug removes impotence from the lives of men. The effect of this drug lasts for about 36 hours.