Vidalista 5 medicine is helpful in the treatment of erectile dysfunction, where a person experiences difficulty in getting an erection even after adequate stimulation. The active ingredient in this drug is tadalafil, which starts dissolving in the blood immediately and works to relax the muscles to keep the penis strong during erection. Taking this medicine can cause significant changes in sex life. The effect of this medicine usually lasts for 36 hours. This medicine should be used only on the advice of the doctor. This medicine is only useful for men aged 18 and above.