Vidalista 20mg is effective in helping men with erectile dysfunction achieve and sustain an erection. Tadalafil works by enhancing blood flow to the penis, which helps to establish and sustain an erection. The effects of this prescription can last for up to 36 hours, and it takes about 30 to 60 minutes to start acting. Their inability to make love to one another affects their sexual life. Low blood volume causes poor erections in men. Vidalista 20mg is the ideal pills in this situation since it increases blood flow to the erection site. This pill comes with a patient information leaflet. Read and follow these instructions carefully before starting to use tadalafil and every time you receive a refill on your prescription.