Erectile dysfunction is a condition in which the penis does not erect properly during sexual stimulation. Vidalista 40 tablet is very effective in treating this problem. The drug contains a topical ingredient called tadalafil, which increases blood flow to certain parts of the body. This medicine needs to be taken one hour before sexual activity. This is a strong drug that helps men get together, a strong and hard erection that lasts for 3-4 hours. You can take this medicine with light food or even on an empty stomach. Cold drinks or alcohol should not be consumed while taking this medicine as it reduces the effectiveness of the medicine.