Male impotence and erectile dysfunction are treated with Vidalista 20. This drug tadalafil component helps to increase blood flow to men's penile tissues. This medicine should be taken by men 30 minutes before engaging in sexual activity. The half-life of this drug is six hours. You can take this medication with or without food. Please take this drug with pie; do not break or chew it. This drug is only for use by men who are eighteen years of age or older. You should take this medication as directed by your doctor.