Vidalista 20 mg is used to treat impotence or sexual problems. Tadalafil plays a major role in this medicine. This drug has more effects compared to other drugs. The use of this drug slowly relaxes the muscles in the hips and increases blood flow to the muscles. So that blood can flow well during sexual activity and erection can be achieved easily. This medicine should be taken only once a day otherwise it may cause side effects. The effect of the drug lasts up to 36 hours