Vidalista 20 mg is safe to use and an effective treatment for impotence and diseases associated with PDE5 inhibitors. This medicine should be used as advised by your doctor. Effective results can be obtained by using this medicine about 30 to 40 minutes before sex. You can use this medicine 1 hour before sexual intercourse and enjoy a strong erection. This medicine should be taken only once a day. This medicine is recommended only for men aged 18 or older.