Vidalista 40 Medicine is used to treat sexual dysfunction in men, such as impotence and erectile dysfunction. This medicine contains an ingredient called tadafil which helps men to know strong erection during intercourse. You can take this medicine 30 minutes before intercourse. The effect of this medicine lasts for 4 to 6 hours. You can take this medicine before or after a meal. Take this medicine with water but do not break or chew the medicine. Take this medicine as advised by your doctor. You should not take fatty foods or cold drinks with this medicine. You can visit pharmev.com for more information.